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5 g sample contain only Na(2)CO(3) and N...

5 g sample contain only `Na_(2)CO_(3)` and `Na_(2)SO_(4)` . This sample is dissolved and the volume made up to 250 mL. 25 mL of this solution neutralizes 20 mL of 0.1 M `H_(2)SO_(4)`.
Calcalute the % of `Na_(2)SO_(4)` in the sample .

A

42.4

B

57.6

C

36.2

D

None of these

Text Solution

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The correct Answer is:
B
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