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Question

The weight of H2C2O4.2H2O required to prepare 500 ml of 0.2 N solution is:

A
1.26g
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B
6.3g
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C
1.575g
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D
3.15g
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Solution

The correct option is B 6.3g
Normality=weightequivalent weight×1000V(ml)
0.2=ω126/2×1000500
ω=63×0.1
ω=6.3g

So, the correct option is B

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