Answer to Question #202816 in Chemistry for Kaushalya

Question #202816

1.   How many grams of Copper Sulphate Pentahydrate (CuSO4.5H2O) are needed to prepare a 500 ml of 4% CuSO4 solution?



1
Expert's answer
2021-06-07T02:46:11-0400

w = (100 x msollute ) / msolute+solvent

Lets assume that solution density is 1 mg/l. Therefore m(solution) = V = 500 g.

4 = 100 x msolute / 500

msolute = (500 x 4)/100 = 20 g


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