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The dissociation constant of weak acid H...

The dissociation constant of weak acid `HA` is `1 xx 10^(-5)`. Its concentration is `0.1 M`. pH of that solution is

A

`1.0`

B

`2.0`

C

`3.0`

D

`5.0`

Text Solution

Verified by Experts

The correct Answer is:
C
`[H^(+)]= sqrt(ka.c)= sqrt(1xx10^(-5)xx10^(-1))`
`= sqrt(1xx10^(-6))=10^(-3)`
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