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50ml of 1M oxalic acid is shaken with 0....

50ml of 1M oxalic acid is shaken with `0.5g` of wood charcoal. The final concentration of the solution after adsorption is 0.5M. Amount of oxalic acid absorbed per gm of charcoal is

A

3.45 gm

B

3.15 gm

C

6.30 gm

D

None of these

Text Solution

Verified by Experts

Amount of oxalic acid in given solution
`50/1000 MO`
Mass of oxalic acid `0.05 times 90 =4.5 gm`
Amount of oxalic acid remaining `0 50/100 0`,
Mass of oxalic acid= 2.25 gm
Amount absorbed (4.5-2.25)gm=2.25 gm
Mass of oxalic acid absorbed per gram=`2.25 =4.5`
0.5
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