About 50 mL of 1 M oxalic acid is shaken with 0.5 g of wood charcoal. The final concentration of the solution after adsorption is 0.5 M. The amount of oxalic acid absorbed per gram of charcoal is:

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3.45 g

3.15 g

6.30 g

None of these

answer is C.

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Detailed Solution

V1M1=V2M250×1=0.5×V2V2=100ml0.5=x126×1000100x=6.3 gms

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