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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