Two moles of oxygen gas is reacted with hydrogen gas to produce water in this reaction: 2 H2 + O2 → 2 H2O In the lab you actually made 33.1 grams of water. What is the percent yield? 218.10% 91.80% 45.87% 54.50%

Question

Chemistry

Lina Park

26 November, 14:12

Two moles of oxygen gas is reacted with hydrogen gas to produce water in this reaction: 2 H2 + O2 → 2 H2O In the lab you actually made 33.1 grams of water. What is the percent yield? 218.10% 91.80% 45.87% 54.50%

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Answers (1)

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Jamie Vega · Answer 1

Theoretical yield:

02 - > H2O

1mol - > 2mol

2mol - > 4mol

32g - > 72g

Theoretical yield = 72g

Percent yield = actual yield/theoretical yield * 100

= 33.1/72 * 100

=45.97%