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Question

Chemistry Question on Mole concept and Molar Masses

The percentage of carbon in acetic acid is

A

40

B

33.3

C

50

D

20

Answer

20

Explanation

Solution

CH3COOH=2CCH_3COOH = 2C 60 g 24g 60 g f acetic acid contains C = 12 g 100 g of acetic acid contains C = 1260×100\frac{12}{60} \times 100 = 20 %