50 mL of I M oxalic acid is shaken with 0.5 g of wood charcoal. The final concentration of the solution after adsorption is 0.5 M. Amount of oxalic acid absorbed pergram of charcoal is
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a
3.45 g
b
3. 15 g
c
6.30 g
d
None of these
answer is A.
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Detailed Solution
W=126×1×501000⇒6.3(Molecular weight of oxalic acid :163)0.5g→6.32lg→6.32×0.5×1⇒6.3g