Chemistry
Elements and Compounds
Metal and Alloys

170 mL of a 0.30 M copper II acetate solution is mixed with an excess of a sodium sulfide solution How many grams of copper II sulfide precipitate will form?

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10/15/2007

Cu2(C2H3O2)4 + 2Na2S --> 2CuS + 4Na(C2H3O2) 170 mL Cu2(C2H3O2)4 X 1 L/ 1OOO mL X .3 M/ 1 Mol X 2 Mol CuS/ 1 Mol Cu2(C2H3O2)4 X 159.157 g/ 1 Mol CuS = 16.2 g