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Concentration of CN^(-) " in " 0.1 M HCN...

Concentration of `CN^(-) " in " 0.1` M HCN is (Given :`K_(a) = 4 xx 10^(-10)`)

A

`2.5 xx 10^(-6) m`

B

`4.5 xx 10^(-6) M`

C

`6.3 xx 10^(-6) M`

D

`9.2 xx 10^(-6) M`

Text Solution

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The correct Answer is:
C
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