Question

40. A 10% (w/w) copper sulphate solution means
(1) 10 g of copper sulphate dissolved in 100 go
water
(2) 90 g of copper sulphate dissolved in 100 g of
water
(3) 10 g of copper sulphate dissolved in 90 g of
water
(4) 50 g of copper sulphate dissolved in 60 g of
water​

Answer 1

Answer:

Number 1 is correct.

Explanation:

A copper sulphate solution contains 1.595% of CuSO4 by weight. ... Molarity is defined as the no. of moles of a compound per litre of the solution. It is given that the solution contains 1.595% of CuSO4.

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