What weight of oxalic acid (H2C2O4.2H2O) is required to prepare 1,000 mL of N/10 solution?
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a
9.0 g
b
12.6 g
c
6.3 g
d
4.5 g
answer is C.
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Detailed Solution
weight of oxalic acid=Mol.wtBasicity=Mol.wt2=1262=63Weight of oxalic acid required to prepare 1000 mL N =weightEqt.Wt×1000VIn ml110=Weight63×10001000Weight =6.3 gr