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To neutralize completely 20 mL of 0.1M a...

To neutralize completely `20 mL` of `0.1M` aqueous solution of phosphorus `(H_(3)PO_(3))` acid the volume of `0.1M` aqueous `KOH` solution required is:

A

`60 mL`

B

`20 mL`

C

`40 mL`

D

`10 mL`

Text Solution

Verified by Experts

The correct Answer is:
C
Meq.of `H_(3)PO_(3)="Meq.of" KOH`
`20xx0.1xx2=Vxx0.1`
`V=40 mL`
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