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An aqueous solution of aniline of concen...

An aqueous solution of aniline of concentration `0.24` M is prepared. What concentration of sodium hydroxide is needed in this solution so that anilinium ion concentration remains at `1xx10^(-8)M` ? `(K_(a)for C_(6)H_(5)NH_(3)^(+)=2.4xx10^(-5)M)`

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`1 xx 10^(-2) M`
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