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4.24 g of an organic compound on combust...

4.24 g of an organic compound on combustion produces 8.45 g of `CO_2` and 3.46 g of water. The mass percentage of C and H in the compound respectively are

A

27.2, 18.2

B

54.4, 9.1

C

9.1, 54.4

D

18.2, 27.2

Text Solution

Verified by Experts

The correct Answer is:
B
Weight of C in compound = 12 `xx` moles of `CO_2 = (12 xx 8.45 )/(44) xx(100)/(4.24 )= 54.4 %`
Similarly, mass percentage of H =`( 2 x 3.46 )/(18 ) xx(100)/(4.24 )=9.1 %`
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