94. Solving a chemistry problem
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94. Solving a chemistry problem
19. Solutions of cadmium salts form a precipitate of Cd (OH) 2 with alkalis, and with hydrogen sulfide - a precipitate of CdS. Why does a solution of potassium tetracyanocadmate ( 2) K2[Cd(CN)4] form a precipitate with hydrogen sulfide and does not precipitate with alkali?
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