A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature. 3H2 + N2 <---->  2NH3 An analysis of the mixture at equilibrium revealed 2.0 mol N2, 3.2 mol H2, and 1.8 mol NH3. How many moles of H2 were present at the beginning of the reaction?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter13: Chemical Equilibrium
Section: Chapter Questions
Problem 3ALQ: For the reactionH2(g)+I2(g)2HI(g), consider two possibilities: (a) you mix 0.5 mole of each...
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A mixture of nitrogen and hydrogen was allowed to come to equilibrium at a given temperature.

3H2 + N2 <---->  2NH3

An analysis of the mixture at equilibrium revealed 2.0 mol N2, 3.2 mol H2, and 1.8 mol NH3. How many moles of H2 were present at the beginning of the reaction?

 
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