1.

Calculate [NH_4^+](derived from NH_4Cl ) to prevent Mg(OH)_2from precipitating ina one-litre solution, containing 0.01 M NH, and 0.001 M Mg^(2+)ions.K_(sp)[Mg(OH)_2] = 1.2 xx 10^(-11), K_b(NH_4OH) = 1.8 xx 10^(-5).

Answer»

SOLUTION :`1.6 XX 10^(-3)`


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