`0.1 M ` of `HA` is titrated with `0.1 M NaOH`, calculate the `pH` at end point. Given, `K_a (HA) = 5 × 10^(-6)` and α

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Q 1169301215.     `0.1 M ` of `HA` is titrated with `0.1 M NaOH`, calculate the `pH` at end point. Given, `K_a (HA) = 5 × 10^(-6)` and α << 1 . (2004)
A

`12`

B

`9`

C

`4`

D

`6`

HINT

Use formula: ` [OH^-] = sqrt(K_bC) `

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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