A) 6
B) 5
C) 7
D) 8
Correct Answer: C
Solution :
\[\frac{Weight\,\,of\,\,water}{Weight\,\,of\,\,sample}\,\,=\] \[\frac{Weight\text{ }of\text{ }water\text{ }in\text{ }compound}{Molecular\,\,weight\,\,of\,\,compound}\] \[\frac{6.3}{13.4}\,\,=\,\,\frac{x\times 18}{142+18x}\,\,\] \[x=7\]You need to login to perform this action.
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