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Part 1: Provided calculations are performed correctly, would it be possible to obtain greater than 100%...

Part 1: Provided calculations are performed correctly, would it be possible to obtain greater than 100% yield for a chemical reaction? Part 2: Explain/Give a rationale for answer to Part 1.

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Answer #1

No, it is not possible. 100% is the maximum possible yield.

Percent yield is based on the actual yield of reaction product compared with a calculated theoretical maximum possible yield. Normally, the percent yield is at least a little bit less than 100% due to losses, side reactions, and incomplete reactions. Occasionally a person might get a yield that appears to be slightly more than 100% but this is usually due to undetected impurities in the product or inaccuracies in the measurements of masses of the reactants.

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