Q42Long answer
Calculate the mass of sodium sulphate required to prepare its 20% (mass percent) solution in 100g of water? 16-04-2018
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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 20% = ×100 x +100 20 x + 2000= 100 x 80 x = 2000 PNNN x = = 25 g C hapter 3 _lqucpq Multiple Choice Questions