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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 acid `(H_(3)PO_(3))` the volume of `0.1M` aqueous KOH solution required is

A

40 ml

B

20 ml

C

10 ml

D

60 ml

Text Solution

Verified by Experts

The correct Answer is:
A
`V_(1)N_(1)=V_(2)N_(2)`
`N" of "H_(3)PO_(3)=2xx0.1=0.2N`
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