If the percent yield is 75% and theoretical yield is 40 g, actual yield is?

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Prepare for the WJEC GCSE Chemistry Exam with multiple choice questions and detailed explanations. Enhance your knowledge and boost your confidence. Get exam-ready today!

Multiple Choice

If the percent yield is 75% and theoretical yield is 40 g, actual yield is?

Explanation:
Percent yield shows how much product you actually get compared with the maximum amount you could theoretically obtain. To find the actual yield, multiply the theoretical yield by the percentage yield expressed as a decimal. So, with a theoretical yield of 40 g and a 75% yield: 0.75 × 40 g = 30 g. Therefore, the actual yield is 30 g. For reference, 20 g would correspond to a 50% yield, 35 g to 87.5% yield, and 40 g would be a 100% yield (theoretical maximum).

Percent yield shows how much product you actually get compared with the maximum amount you could theoretically obtain. To find the actual yield, multiply the theoretical yield by the percentage yield expressed as a decimal.

So, with a theoretical yield of 40 g and a 75% yield: 0.75 × 40 g = 30 g. Therefore, the actual yield is 30 g.

For reference, 20 g would correspond to a 50% yield, 35 g to 87.5% yield, and 40 g would be a 100% yield (theoretical maximum).

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