Question

on complete combustion of 0.20 gram of an organic compound gave 0.008 MOLE of carbon dioxide and 0.072 gram of water
find the percentage of carbon and hydrogen in the compound???​

Answer 1

Answer:

on complete combustion of 0.20 gram of an organic compound gave 0.008 MOLE of carbon dioxide and 0.072 gram of water

find the percentage of carbon and hydrogen in the compound???

Explanation:

The correct options is B

in the given question

mass of organic compound=0.246 g

mass of carbon dioxide= 0.198 g

mass of water= 0.1014 g

mass of water=0.1014 g

% of carbon:

44

12

×

0.246

0.198

×100

=21.95%

% of Hydrogen

18

2

×

massofcompound

massofH

2

O

×100

18

2

×

0.246

0.1014

×100

=4.58%