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Profit Percentage

What is the p...

Question

What is the percent yield for a lab group who collect $1.70 g$ of $C a {C O}_{3}$ when the predicted yield for the reaction should have been $2.00 g$ ?

- 15

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70

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30

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85

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Solution

The correct option is D $85$ %
$% y i e l d = \frac{A c t u a l y i e l d}{T h e o r e t i c a l y i e l d} \times 100$
$= \frac{1.7}{2} \times 100 = 85 %$

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C a {C O}_{3}

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C a C O_{3} \to C a O + C O_{2}

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