Question

to make 2% of copper sulphate solution , ______grams of copper suphate is disssoled in 100 ml . of water.

Answer 1

Answer:

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Answer 2

100 g of dilute solution of CuSO

4

contain

=1.2×10=12.0gCuSO

4

Mass of water present in dilute solution

=(100−12)=88g

To saturate 100 g of water, CuSO

4

required = 25 g

So, to saturate 88 g of water, CuSO

4

required =

100

25

×88=22g

Thus, the mass of CuSO

4

to be added to 100 g of dilute solution to saturate it =(22−12)=10g.

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