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Calculate the concentration of NH(3) and...

Calculate the concentration of `NH_(3)` and `NH_(4)Cl` presenting a buffer solution of `pH=9` when total concentration of buffering reagents is `0.6mol litre^(-1)`Take `pK_(b)` for `NH_(3)=4.7,log2=0.3`.

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`21.4 ` gm/lt
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