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Addition of sodium hydroxide solution to...

Addition of sodium hydroxide solution to a weak acid (HA) results in a buffer of pH 6. if ionization constant of HA is `10^(-5)`, the ratio of salt to acid concentration in the buffer solution will be:

A

`10:1`

B

`4:5`

C

`5:4`

D

`1:10`

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The correct Answer is:
A
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