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Concentration Terms - An Introduction (w/w etc)

0.73g of orga...

Question

0.73g of organic compound gave 0.6g $H_{2} O$ . The % of hydrogen in an organic compound is:

A

10.24

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B

12.42

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C

9.13

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D

8.25

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Solution

The correct option is B 9.13
% H= $\frac{2}{18} \times \frac{M a s s o f H_{2} O}{M a s s o f c o m p o u n d} \times 100 = \frac{2}{18} \times \frac{0.6}{0.73} \times 100$
H=9.13%

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