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An organic compound contains 69% carbon ...

An organic compound contains 69% carbon and 4.8% hydrogen, the remainder being oxygen. What will be the masses off carbon dioxide and water produced when 0.20 g of this substance is subjected to complete combustion.

A

0.69g and 0.048g

B

0.506 g annd 0.086g

C

0.345g and 0.024 g

D

0.91 g and 0.72 g

Text Solution

Verified by Experts

The correct Answer is:
B
% `C=(12)/(44)xx("Mass of "CO_(2)" formed")/("Mass of substance taken")xx100`
`69=(12)/(44)xx("Mass of "CO_(2)" formed")/("mass of substance taken")xx100`
`4.8=(2)/(18)xx(x)/(0.2)xx100`
`x=(4.8xx18xx0.1)/(100)=0.086g`
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