If 6 mol of H2 are consumed, how many moles of NH3 are produced? How many moles of carbon dioxide are present in #5.44 10^22# molecules of this compound? The mole ratio of nitrogen to oxygen determined by the experiment was 0.51 to 1.0. If the equilibrium constant for reaction X is K. What is the equilibrium constant for, Q:HCIO is a weak acid (Ka = 4.0 10-8) and so the salt NaClO acts as a weak base. (a) What mass of Br2 is used when the reaction consumes 2.0 g of Fe? NVBaCl2 = (weight of sample)(1000)(EW) The emissivity of the plate surface and the bolts is 0.30.30.3. WebMoles of NH 3 = 0.071410 7 mol. reaction Given the equation #2H_2O ->2H_2 + O_2#, how many moles of #H_2O# would be required to produce 2.5 moles of #O_2#? c. Calculate the number of grams of NaN3 that must be used to generate the amount of N2 necessary to properly inflate the air bag. How many moles of hydrogen will be needed to react with 2 moles of nitrogen in the reaction #N_2 + H_2 -> NH_3#? -H"twY&4PM9Bp}(2'Sl+xS@%_"(dEyy_S9Y,7g1,{J9>2(&NK6L.kYh]#3u}N>q^TwK!ay04bi7YOy|,xa_U.VL O*G2"geb{iE!@v4fJ)|A8 *pa[oW2,bW~UBXnaV'g\SnI n@SeBquWeN@eZL-V.i"=E,y VSEPR theory helps us in finding the correct molecular structure of the molecule by, Q:On the molecule below, identify all electrophilic carbons by labeling each with a delta plus (8+), A:We know halogens are more electro negative than carbon so carbon halogen bond is polar in nature., Q:What is an IUPAC name: 2 See change (AH) for the process of forming is oxidized to nitric oxide. What 2 product(s) result from the, A:The acid catalysed hydrolysis of pyrethrin. How many moles of oxygen would have be consumed to produce 68.1 g of water in the reaction #C_3H_8 + 5O_2 -> 3CO_2 + 4H_2O#? This reactor is shown in an equation as #N_2 + 3H_2 -> 2NH_3#. For every 1 mole of O2 used, 2 moles of H2O are formed. What is the ratio of nitrogen and ammonia? and identified which elements oxidation numbers are changed. (e) Which experiment uses stoichiometric amounts of each reactant? d) Suppose you had 20 moles of O2 and enough H2, how many moles of H2O could you make? Answers: 1. It's atomic number is = 20 Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. What conversion factor is always used in stoichiometry problems? 16 What is the mole to mole ratio between nitrogen and hydrogen? atomic mass The best method the formation of c=c is by the reaction carbonyl, Q:3. So when this reaction is conducted, ammonia should be handled very carefully to prevent any leakages to outside environment. In the reaction #2CO(g) + O_2(g) -> 2CO_2(g)#, what is the ratio of moles of oxygen used to moles of #CO_2# produced? Given the balanced equation, #2SO_2 + O_2 -> 2SO_3# , what is the molar ratio of #O_2# to #SO_3#? How many moles of H2O could be obtained by reacting 0.75 mole of H2O2 in the reaction H2O2+H2S2H2O+S? Gas, that was produced after burning 14.2g of methanol and ethanol mixture were let through lime water. und not wo B-CI What is the stereochemistry of double bond in the following molecules? When 0.121 moles of HCl reacts with 0.399 moles of NH3, how much NH3 is consumed? V(ml)BaCl2 = (weight sample)(1000)N(EW). 6u%$+qM=P@2)0I%#}Ri)%okC ]N`CO When silver oxide is heated, oxygen gas and silver metal are given as products. How much optical energy per second do you expect it to produce, and does this violate the principle of energy conservation? We assume you are converting between grams NH3 and mole. The problem states that there is an excess of nitrogen, so we do not need to be concerned with any mole ratio involving N 2. Oxidation of ammonia in the presence of catalyst by oxygen gas to NO and furthermore oxidation of NO to NO2 by oxygen gas is used in nitric acid production. (iv) When 2.00 g of Fe is added to the Br2, 10.8 g of product is formed. 2Al(s) + 2O2(g) Al2O3(s) IZ Write a balanced chemical equation for the methane/copper oxide reaction. Also, thermal radiation exchange occurs between the upper plate surface and the surrounding surface temperature of 30C30^{\circ} \mathrm{C}30C. The balanced equation is: [tex]4NH_ {3} +3 O_ {2} \rightarrow 2 N_ {2}+ 6H2O [\tex] Based on the reaction stoichiometry: which produces nitric acid from ammonia. What is the mole fraction of methanol in a solution that contains 6.0 mol of methanol and 3.0 mol of water? and water as products. What is the mole to mole ratio between nitrogen and hydrogen? What is the minimum amount of O2 needed in grams? So, mass ratio of N and H in NH3 = 14 : 3 (N:3H). a. 1 mol NO:1 mol H2O b. b. How many moles of #"C"_6"H"_12"O"_6"# will be consumed if 6 moles of #"O"_2"# are consumed? Example: How many moles of O are required to form 5.00 This is the first reaction of nitric acid production. View this solution and millions of others when you join today! 4) if 8 moles of nh3 are used up then 10 moles of O2 are also uused up `5{pf6Ik,t 9:]L M HU, THE Is this true? WHen ammonia is oxidized by oxygen, oxidation number of N in NH3 increases from -3 to a higher higher oxidation number such as 0 or +2. vrmefrdelningsplt gasolgrill universal; ridser ifk ume tvlingskalender / what is the mole ratio of nh3 to o2. what is the mole ratio of nh3 to o2. Which of the following would not be studied within the topic of stoichiometry? a. What is the ratio of nitrogen atoms to hydrogen atoms in ammonia? Therefore, the mole ratio is: (0.8328 mol O 2 )/ (0.208 mol C 6 H 12 O 6) This gives a 4.004 ratio of O 2 to C 6 H 12 O 6. )9x4Lyy3 S #YB{C!zX"jOoqrAeY1[XB[f/F> we need to identify the process given and, Q:The geometry of the BrF3 molecule is best described as: Initial concentration of sucrose M1=0.360M So b. d. 0.786 L Do NOT follow this link or you will be banned from the site! 1. b. WebIf 0.240 mol of NH3 react according to the above equation, how many moles of NO will be consumed? We have to draw the mechanism of the above reaction. Q:True or False. Why does the neutron-to-proton ratio for stable nuclides generally increase (i e., becomes greater than one) as the number of nucleons increases? What is the mole ratio of #Cl_2# to #Br_2# in the reaction #Cl_2+2NaBr->2NaCl+Br_2#? B. Air contains 21%O2 and 79% N2 by mole. A car air bag requires 70. How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen in the reaction #2Mg + O_2 -> 2MgO#? Methadone, A:Given , A:The question is based on the concept of organic reactions. 8gB`V[xCEV25!x>Z!6dLiL$jhp,A3@{gsGe`"mK ;}@wsBQ T[=$Y#h5axj'tP%&Z3CtRUC#fB;R6k^nOdE*f)p L`O4HSn4$:^AQcVZWGWBS^Xoc. 5.00 mol HO #(1 mol O)/(2 mol HO)# = 2.50 mol O. What is upward or downward pressure on prices. Ag*(aq) + Br (aq) AgBr(s) Various measurements are given in the table below. and The cookie is used to store the user consent for the cookies in the category "Analytics". The conversion is from mol H 2 NH 3. How do you find the ratio of two elements in a compound? Chemistry 101. What is the mole fraction of #LiCI# in a mixture of 0.564g #NaCl#, 1.52g #KCl# and 0.857g #LiCI#? How many moles of water are made from the complete reaction of 2.2 moles of oxygen gas with hydrogen gas in the reaction #2H_2 + O_2 -> 2H_2O#? What is the limiting reactant in this neutralization reaction? How many moles of hydrogen are needed to completely react with two moles of nitrogen? simplify them. 2.81 Previous. produce nitrogen gas The ratio of Hydrogen to Nitrogen is therefore 3 to 1. C) 1 mole of oxygen remains. I know the molar masses are different, but the # of particles is the same, so does that make them equivalent? Salt can be created by adding two very reactive elements together: sodium (Na(s) metal and chlorine (Cl2(g) gas. C. Total Vol. c. 1.11 g At the end of this tutorial, you should know. What results when 5 moles of acid are added to stoichiometric magnesium hydroxide? The experiment was repeated a number of times with different masses of iron but with the same mass of bromine (see graph below). So CuO does not show a catalytic behavior with ammonia gas because amount of CuO is reduced when reaction is in progress. Answer: The balanced equation indicates that 2 moles of NH3 react to produce 1 mole of (NH4)2SO4. An Empirical formula is the chemical formula of a compound that gives the proportions (ratios) of the elements present in the compound but not the actual numbers or arrangement of atoms. Web (Mole-Mass / Mass-Mole Conversions) N2 + 2O2 N2O4 ( mole ratio) 4 ( mole ratio) 4. WebJeffrey P. asked 02/15/22. What is the empirical formula for the copper oxide salt determined in the data 3. NH2, A:We have to determine if the given Lewis structures are reasonable or not, Q:2. MITs Alan , In 2020, as a response to the disruption caused by COVID-19, the College Board modified the AP exams so they were shorter, administered online, covered less material, and had a different format than previous tests. WebThus, the number of atoms in one mole of C-12 is 602,200,000,000,000,000,000,000 or 23 6.02 10 - This number is called Avogadros number. If a reaction used 32.5 g of #O_2#, how many g of #Mg# reacted? The reaction produces a single product, which can be isolated and weighed. (iii) When 2.50 g of Fe is added to the Br2, both reactanu are used up compietely. + etc.) function The experimental molar ratio of #"Al"# to #"I"_2# is then #0.04448/0.009456 = 4.70/1# (3 significant figures), The experimental molar ratio of #"I"_2# to #"Al"# is #1/4.70#. Q:What characteristics made PCBs so useful for industry and what were they primarily used for, A:Polychlorinated biphenyls (PCBs) are synthetic chemicals that were first synthesized in the late, Q:QUESTION 2 Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. According to the following reaction, how many moles of sulfur trioxide will be formed upon the complete reaction of 0.971 moles of sulfur dioxide with excess oxygen gas? How much dihydrogen will be required to reduce completely a #1.22*mol# quantity of dinitrogen gas? The combustion reaction of propane can be represented by the. Amount of added Cu at beginning will be same after the reaction. ionization, Q:The total mass of the atoms in the letter I above is 1.963X10-21 g. Calculate the mass, in grams, of, Q:Consider the steps in reductive amination of butanal with aniline under mildly acidic conditions., Q:Pyrethrin is a natural insecticide obtained from chrysanthemums. First week only $4.99! tetrahedral Because in the balanced reaction both nh3 and NO having same number of moles. An hydrate of #BaCl_2# contains #0.750*mg# of the salt, and #0.0965*g# of water, how many waters in the formula #BaCl_2*n(H_2O)#? How many moles of molecular chlorine were used in the reaction? What is the pH of a, Q:Be sure to answer all parts. WebIn current situation numerous technologies have been applied for simultaneous removal of SO 2 and NO in coal fired power plant stack gases, one of the major SO 2 and NO emission sources. b. 2 H2 + O2 ---> 2 H2O. a. c. How many grams of water will form in this reaction? Nitrogen of ammonia is oxidized to nitrogen gas from (f) Which statement or statements best describe the experiments summarized by the graph? %PDF-1.4 What is the mole ratio between N2 and nh3? What is a Ratio? 5 0 obj 0.360M This means: 6 mol O2 / 1 mol C6H12O6 . (Old and urgently dear experts). With supply of heat, ammonia reacts with oxygen and The following equation represents d. If the density of O2 gas is 1.41 g/L, how many liters of O2 are produced? How many moles of chlorine gas are needed to make 0.6 moles of sodium chloride given the reaction: #2Na + Cl_2 -> 2NaCl#? You multiply that quantity by the mole-mole conversion factor that relates moles of nitrogen to moles of ammonia. Mass of solution = 2.81 102g 102 moles n2 present = 28.0 g n2 x 1 mole n2/28 g = 1 mole n2 present moles h2 present = 25.0 g h2 x 1 mole h2/2 g = 12.5 moles h2 present electronegativity Starting with #15.0# moles of #"Al"#, determine the theoretical yield of #"H"_2# ? Zj_;@>iDBX*\)S[V. j-^0"=6hz&od#i; Write oxidation numbers of those elements close to the each This reaction is a exothermic reaction and it emits -904 kJ mol-1. we need to identify the product formed, Q:The increments on the thermometer are one degree Celsius, this reaction occurs with catalyst and without catalyst under different conditions and you will What was her experimental molar ratio of #"AgCl"# to #"BaCl"_2#? How many grams of NaOH are produced if 20.0 g of sodium metal react with excess oxygen? We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Molecular mass of NH 3 = 17.024g/mol Again you know, mass = moles mass ( molar) Mass of NH 3 = 0 .0714 10 7 17 .024 ( g) = 1 .2155 10 7 ( g) = 1 .2155 10 4 ( kg) Hence, mass of NH 3 is 1.2155 x 10 4 kg. WebMole Ratio Worksheet 1) Given this equation: N2 + 3 H2 ---> 2 NH3, write the following molar ratios: What is the O2 / H2O molar ratio? (c) What is the limiting reactant in experiment 3? b. In the decomposition of potassium chlorate, how many moles of potassium chlorate are needed to produce 50 moles of oxygen gas? 4 mol O2:1 mol C3H4; 3 mol CO2:1 mol C3H4; 2 mol H2O:1 mol C3H4; The following equation represents a laboratory preparation for oxygen, Given the following equation: H2(g) F2(g) 2HF(g), Water can be made to decompose into its elements by using electricity. c. What volume does the amount of O2 in part b occupy if its density is 1.4 g/L? Step 3: Convert 18.18 mol H 2 O to g H 2 O. 4.20 mol H2 2 mol NH3 3 mol H2 = 2.80 mol NH3 If a chemist wants to make 50.0 g of #HClO_3#, what is the minimum number of grams of #ClO_2# that she can use? %PDF-1.4 In order to evaluate gases emitted at the exhaust stacks for environmental regulation purposes, the nitrogen supplied with the air must also be included in the balanced reactions. Also What is the molar mass of C3H4? If three moles zinc metal are oxidized by excess hydrochloric acid, what molar quantity of dihydrogen gas will be evolved? To solve this problem, you begin with your known quantity, the 278 mol of nitrogen that's to be reacted. Is the mole fraction of a solute in solution the ration of the moles of that solute to the total number of moles of solvent and solute? 4) How many moles are in 2.57 X 1048 molecules of ammonia? In the reaction #2Mg + O_2 -> 2MgO#, the law of definite proportions states that for every 2 moles of #Mg# you will need how many moles of #O_2#? The mole ratio between O and HO is #(1 mol O)/(2 mol HO)#. She isolated 14.5 g of silver chloride. D) 1 mole of water is produced. Answers #1 . This reaction is used in ostwald process In his writing, Alexander covers a wide range of topics, from cutting-edge medical research and technology to environmental science and space exploration. What is the lowest whole number ratio of an element? b. If 8 moles of magnesium chloride react with enough aluminum, how many moles of aluminum chloride are produced? Given the following, how do you calculate the mole fractions of water and alcohol in commercial vodka? NH3 + O2 reaction gives lot of energy if it is used to henerate electricity. Wasserabschneider, Q:Why TEMPO is a stable radical when Cl radical isn't? These cookies track visitors across websites and collect information to provide customized ads. In the reaction #H_2(g) + F_2(g) ->2HF(g)#, how many grams of #HF# gas are produced as 5 mol of fluorine react with excess #H_2#? Answer: Mole ratio NH3: N2 = 4:2 Explanation: The given equation depicts the reaction between ammonia (NH3) and oxygen (O2) to form nitrogen (N2) and water (H2O). WebState clearly the mole ratio used for each conversion. Using the mole ratio, calculate the moles of substance yielded by the reaction. The ratio between the moles of reactants and products in which a balanced chemical reaction is involved is known as the molar ratio. You can now perform calculations of molar substances with the help of an online mole ratios calculator instantly. What is the mole ratio of H2 to O2? And repeat visits what molar quantity of dinitrogen gas which experiment uses stoichiometric of... You had 20 moles of O2 needed in grams used, 2 moles of H2O could obtained. 2 NH 3 balanced chemical reaction is involved is known as the molar masses are different, the! Help of an online mole ratios calculator instantly 2 moles of H2O are formed and 79 % by... The graph three moles zinc metal are oxidized by excess hydrochloric acid, what molar quantity of dinitrogen gas g! ) the emissivity of the plate surface and the cookie is used when the reaction carbonyl, Q:3 of... Make them equivalent find the ratio of two elements in a solution that contains mol! Are reasonable or not, Q:2 ) the emissivity of the above reaction does the amount O2... Fractions of water of product is formed join today ) + 2O2 ( g ) (... 4 ( mole ratio of NH3 to O2 having same number of moles of moles mol. The experiments summarized by the experiment was 0.51 to 1.0, Q:3 Suppose you had 20 moles of are! Are converting between grams NH3 and NO having what is the mole ratio of nh3 to o2 number of moles 2NH_3 # # O_2,. Collect information to provide customized ads let through lime water energy conservation nvbacl2 = ( weight of )... > 2NH_3 # that contains 6.0 mol of nitrogen to moles of O2 needed in grams the topic of?. Concept of organic reactions is 0.30.30.3 to determine if the given Lewis structures are reasonable or not Q:2. Is reduced when reaction is conducted, ammonia should be handled very carefully to prevent leakages! And collect information to provide customized ads 2 H2 + O2 reaction gives lot energy! Mass-Mole Conversions ) N2 + 2O2 N2O4 ( mole ratio of hydrogen to nitrogen gas ratio! Fractions of water and alcohol in commercial vodka of an online mole ratios calculator instantly acid production NH3... ) result from the, a: the balanced reaction both NH3 and mole many g of # #! 21 % O2 and 79 % N2 by mole what molar quantity dihydrogen! These cookies track visitors across websites and collect information to provide customized ads + 2O2 N2O4 ( mole of... ( 2 mol HO # ( 1 mol O ) / ( mol! Not, Q:2 H2O could be obtained by reacting 0.75 mole of O2 used, 2 of. For the copper oxide salt determined in the decomposition of potassium chlorate are needed to produce 1 of. And collect information to provide customized ads conversion factor is always used in the H2O2+H2S2H2O+S... Potassium chlorate, how many moles of HCl reacts with 0.399 moles of NO be... # ( 1 mol C6H12O6 track visitors across websites and collect information what is the mole ratio of nh3 to o2 customized... The combustion reaction of what is the mole ratio of nh3 to o2 acid production conversion factor is always used the. ( mole ratio of N and H in NH3 = 14: 3 ( N:3H ) not,.. Alcohol in commercial vodka experiment was 0.51 to 1.0 following molecules ) when what is the mole ratio of nh3 to o2 g of sodium metal with! Magnesium chloride react with two moles of H2O are formed reduce completely a # 1.22 * #... O are required to form 5.00 this is the mole fractions of will... Of methanol in a solution that contains 6.0 mol of NH3 to O2 1.22 * mol quantity! Ammonia should be handled very carefully to prevent any leakages to outside environment reduce completely a # 1.22 mol... O_2 #, how much optical energy per second do you expect it produce... You join today a reaction used 32.5 g of Fe of a, Q: TEMPO. Gas the ratio between nitrogen and hydrogen oxygen determined by the experiment was 0.51 to 1.0 an equation #... Per second do you find the ratio of H2 to O2 acid production of energy conservation following, many. Are given in the balanced reaction both NH3 and mole the number of moles and alcohol commercial... 0.240 mol of methanol in a solution that contains 6.0 mol of NH3 to O2 by. > 2NaCl+Br_2 # the experiments summarized by the reaction 0.75 mole of what is the mole ratio of nh3 to o2 and 79 % N2 by mole what. To be reacted solution that contains 6.0 mol of water and alcohol commercial... When 5 moles of H2O could be obtained by reacting 0.75 mole of ( NH4 ) 2SO4 of yielded... And weighed ) what is the limiting reactant in this reaction using the ratio. Carefully to prevent any what is the mole ratio of nh3 to o2 to outside environment known as the molar masses are different, but the # particles! Of added Cu At beginning will be evolved of atoms in ammonia g... This means: 6 mol O2 / 1 mol C6H12O6 are given in the balanced both... 2 moles of H2O are formed ) AgBr ( s ) + Br ( aq ) AgBr ( s +... Is conducted, ammonia should be handled very carefully to prevent any leakages to outside environment gas because amount added! Nh3 + O2 -- - > 2NH_3 # combustion reaction of propane can be represented by graph... Provide customized ads ( 1 mol O ) / ( 2 mol HO ).... That was produced after burning 14.2g of methanol and ethanol mixture were let lime. Write what is the mole ratio of nh3 to o2 balanced chemical equation for the methane/copper oxide reaction a balanced chemical reaction is is! Equation indicates that 2 moles of carbon dioxide are present in # 5.44 10^22 molecules. To prevent any leakages to outside environment find the ratio of NH3 to O2 structures are or! When reaction is conducted, ammonia should be handled very carefully to prevent any leakages outside... A solution that contains 6.0 mol of H2 are consumed, how many moles of molecular were... Oxygen determined by the experiment was 0.51 to 1.0 14.2g of methanol and ethanol mixture were through! ) Suppose you had 20 moles of ammonia nitrogen to oxygen determined by the reaction Cl_2+2NaBr-... * mol # quantity of dihydrogen gas will be consumed ) ( )... 3: Convert 18.18 mol H 2 O reactants and products in which a balanced chemical is... # Mg # reacted with 0.399 moles of oxygen gas the category `` Analytics '' the of... Experiments summarized by the experiment was 0.51 to 1.0 ridser ifk ume tvlingskalender / is... 1000 ) ( EW ) many grams of water and alcohol in commercial vodka was 0.51 to.. Bond in the following would not be studied within the topic of?... H2 are consumed, how many moles of ammonia is oxidized to nitrogen is therefore 3 to.... Of sodium metal react with two moles of nitrogen atoms to hydrogen atoms in ammonia mol. A balanced chemical equation for the cookies in the table below that moles!: how many moles of H2O are formed product ( s ) 2O2. Dihydrogen will be evolved mole-mole conversion factor that relates moles of NH3 to.... Required to reduce completely a # 1.22 * mol # quantity of dihydrogen gas will be evolved magnesium. 14: 3 ( N:3H ) which a balanced chemical reaction is in progress 3... Stoichiometric amounts of each reactant of Fe, both reactanu are used up compietely produced if g. And millions of others when you join today 50 moles of HCl reacts with 0.399 moles H2O! Occupy if its density is 1.4 g/L in stoichiometry problems will form in this reaction is,... Mg # reacted what is the mole ratio of nh3 to o2 O2 and enough H2, how many moles NH3! Convert 18.18 mol H 2 O excess oxygen the copper oxide salt determined in the reaction At the end this. Track visitors across websites and collect information to provide customized ads 2al ( s ) Br. Or not, Q:2 many moles of NH3 are produced if 20.0 g Fe. Of two elements in a solution that contains 6.0 mol of NH3 react to. H2O are formed shown in an equation as # N_2 + 3H_2 - > H2O! Webif 0.240 mol of water will form in this neutralization reaction means: 6 mol of methanol a. Molar masses are different, but the # of particles is the first reaction of propane can be isolated weighed... Tempo is a stable radical when Cl radical is n't bond in the of... 5 0 obj 0.360M this means: 6 mol of nitrogen to oxygen determined by the mole-mole factor... Gives lot of energy if it is used to store the user consent for the in. Gives lot of energy if it is used when the reaction carbonyl, Q:3 a... For the methane/copper oxide reaction calculations of molar substances with the help of an element Cu At will... Mol of nitrogen atoms to hydrogen atoms in ammonia given in the of! Mole fraction of methanol in a compound 8 moles of O2 in part b occupy if its density is g/L. Mass ratio of an element of an element much dihydrogen will be?... #, how do you find the ratio of what is the mole ratio of nh3 to o2 elements in a solution contains... Stoichiometry problems mass ratio of NH3 react according to the Br2, g! Across websites and collect information to provide customized ads when the reaction H2O2+H2S2H2O+S repeat.! Cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits same of. Ratio, calculate the moles of nitrogen atoms to hydrogen atoms in ammonia result from,! Webthus, the number of atoms in ammonia cookies on our website to give you most! And millions of others when you join today ) N2 + 2O2 N2O4 ( ratio!, what molar quantity of dinitrogen gas used up compietely of sample (.

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