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किसी अम्ल तथा उसके संयुग्मी क्षार के `K_(a)` तथा `K_(b)` मानों में क्या सम्बन्ध होता है?

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`K_(a) xx K_(b) = K_(w), NH_(3) + H_(2)O ltimplies NH_(4)^(+) + OH^(-)`
`K_(b) = ([NH_(4)^(+)][OH^(-)])/([NH_(3)])`
`NH_(4)^(+) ltimplies NH_(3) + H^(+)`
`K_(a) = ([NH_(3)][H^(+)])/(NH_(4)^(+))`
`K_(a) xx K_(b) = [OH^(-)][H^(+)]=K_(w)`

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