3. Chemical Reactions
Percent Yield
Multiple Choice
Multiple ChoiceAmmonia, NH3, can be created from the combining of H2 and N2 molecules. How many grams of ammonia are isolated when 10.0 g H2 reacts with excess N2 with a chemical reaction that has a 79.3% yield?
2 H2 + N2 → 2 NH3
A
84.4 g
B
53.0 g
C
67.0 g
D
74.5 g
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