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First Order Reaction

What is the p...

Question

What is the percentage reduction in liquid weight accompanying the completion of the above reaction?

\approx 1

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\approx 3

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\approx 5

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\approx 6

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Solution

The correct option is D $\approx 6$ %
$R a t i o = \frac{1 m o l C_{7} H_{8} (92.0 g / m o l)}{1 m o l C_{7} H_{14} (98.0 g / m o l)} = 0.939$
% $r e d u c t i o n = (\frac{1 - 0.939}{1}) \times 100 = 6.1$ %

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