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1 litre of 1M CH(3)COOH (very weak acid)...

1 litre of `1M CH_(3)COOH` (very weak acid) taken in a container initially. Now this solution is diluted upto volumen V (litre) so that pH of the resulting solution becomes twice the original value. `(K_(a) (CH_(3)COOH) = 10^(-6))`. Now equal volume of `0.5 xx 10^(-6)M NaOH` solution is added to this resulting solution, so that a buffer solution is obtained.
Find `[H^(+)]` in original solution

A

`1 M`

B

`10^(-3)M`

C

`10^(-7)M`

D

`10^(-11)M`

Text Solution

Verified by Experts

The correct Answer is:
b
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1 litre of 1M CH_(3)COOH (very weak acid) taken in a container initially. Now this solution is diluted upto volumen V (litre) so that pH of the resulting solution becomes twice the original value. (K_(a) (CH_(3)COOH) = 10^(-6)) . Now equal volume of 0.5 xx 10^(-6)M NaOH solution is added to this resulting solution, so that a buffer solution is obtained. Find value of V (litre).

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