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In an experiment, 200 mL of 0.5M oxalic ...

In an experiment, `200 mL` of `0.5M` oxalic acid is shaken with `10 g` of activated charcoal and filtered. The concentration of the filtrate is reduced to `0.4 M`. The amount of adsorption `(x//m)` is
(a) `0.9` b. `1.8` c. `0.18` d. `0.09`

A

0.9

B

1.8

C

0.18

D

0.09

Text Solution

Verified by Experts

The correct Answer is:
C
Mass of oxalic acid adsorbed by 10 g charcoal
`=200xx10^(-3)(0.5-0.4) xx90 = 1.8 g`
`(x)/(m)=(1.8)/(10)=0.18`
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