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12g of CH(3)COOH and 4g of NaOH are mixe...

`12g` of `CH_(3)COOH` and `4g` of `NaOH` are mixed and diluted to `1` litre solution. If `P^(Ka)` of `CH_(3)COOH` is `4.8` the `P^(H)` of the solution is

A

`4.8`

B

5

C

`5.6990`

D

`5.3010`

Text Solution

Verified by Experts

The correct Answer is:
A
`CH_(3)COOH+NaOH to CH_(3)COONa+H_(2)O`
`[CH_(3)COOH]=(0.2-0.1)-0.1=0.1`
`[CH_(3)COONa]=0.1`
`P^(H)=4.8+"log"(0.1)/(0.1) " " P^(H)=4.8`
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