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A solution of 0.01M Cd^(2+) contains 0.01IM NH_(4),OH. What conc. of NH _(4)^(+) form NH_(4)Cl is necessry to prevent precipitation of Cd(OH)_(2) ? K_(sp), of Cd(OH)_(2), = 2.0 xx 10^(-14) , K_(sp)of NH_(4)OH 1.8 xx 10^(-5) if answer is 1.272xx 10^(-x) mol/ltr then x =__________ ? |
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