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How many g of KCL would have to be dissolved in 60g H2O to give 20% by weight of solution?
(A)15 g
(B)1.5 g
(C)11.5g
(D)31.5g
(c)11.5g i think reply whether it is correct or not
total wieght=x+60but % of KCl=20hence. 20/100.(x+60)=xsolving we get [15 g ans(A)]
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