Q. 423.8( 16 Votes )
Calculate the mass of sodium sulphate required to prepare its 20% (mass percent) solution in 100g of water?
Answer :
Let the mass of sodium sulphate required be = x g
The mass of solution would be = (x +100) g
x g of solute in (x + 100) g of solution
Mass of sodium sulphate = 25 g
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