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(Solved): 10. A gas contains a mixture of NH3(g) and N2H4(g), both of which react with O2(g) to f ...
10. A gas contains a mixture of and , both of which react with to form and . The gaseous mixture (with an initial mass of ) is reacted with , and after the reaction is complete, 6.04 moles of remains. Calculate the mass percent of in the original gaseous mixture. (Take ) A. B. C. D. E.
Expert Answer
To answer this issue, we must devise a balanced chemical equation for the reaction of NH3(g), N2H4(g), and O2(g) to produce NO2(g) and H2O(g). We may calculate the stoichiometry of the reaction using the information provided.The reaction's balanced equation is as follows: given, Initial mass of gaseous mixture = 59.00 gmInitial mole of oxygen = 12.00 molMoles of oxygen remaining after the reaction = 6.04 molMoles of oxygen used = 12.0 - 6.04 = 5.96 molBecause the NH3 to NO2 stoichiometric ratio is 1:1, the mole of NH3 reacted is likewise 5.96 moles.