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A reaction pr...

Question

A reaction produced $30.0 g r a m s$ of carbon dioxide. If the theoretical (expected) yield was $45$ grams, what is the percentage yield?

15

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30

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67

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150

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Solution

The correct option is B $67$ %
Experimental yeild $= 30 g$ .
theoretical yield $= 45 g$ .
$∴$ Percentage yield $= \frac{30 \times 100}{45} = 67 %$

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