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Equilibrium constant for reaction NH(4)O...

Equilibrium constant for reaction `NH_(4)OH(aq)+H^(+)(aq)hArr NH_(4)^(+)(aq)+H_(2)O(l)`
`1.8xx19^(9)`.
Hence equilibrium constant for ionization `NH_(3)+H_(2)OhArr NH_(4)^(+)(aq)+OH^(-)(aq)` is `x xx 10^(-6)`. The value of 'x' is

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