What is the percent yield for carbon dioxide if 10.0 grams of carbon monoxide yielded 12.81 grams of carbon dioxide from the reaction below?
2 CO + O2 → 2 CO2

Explanation:

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In this case, for the given chemical reaction, since it is started with 10.0 g of CO, we can compute the theoretically yielded grams of carbon dioxide given the 2:2 mole ratio between them, on the chemical reaction:

Next, since the percent yield measures how much of the product is actually yielded, we compute it as shown below:

Whereas the theoretical yield is 12.81 g and the theoretical one that 15.7 g. Therefore, the percent yield turns out:

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