Question

If you burned 52 grams of methane (CH4) and obtained 100 grams of water as a
product what is your percent yield?

Answer 1

The percent yield of methane is 85.5%.

What is percent yield of a reaction?

The percent yield of a reaction is the ratio of the actual yield and the expected yield expressed as a percentage.

• Percent yield = actual yield/expected yield × 100%

Equation of reaction is given below:

1 mole of methane produces 2 moles of water

16 g of methane produces 36 grams of water

52 g of methane will produce 117 g of water

Percent yield = 100/117 × 100% = 85.5%

Therefore, the percent yield of methane is 85.5%.

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