what mass of water must be added to 5 g of NaCl to make 5% mass by mass% of solution
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Mass by mass % = (Mass of solute / Mass of solution) × 100
5 = [5 / (M + 5)] × 100
5M + 25 = 500
5M = (500 - 25)
M = 95 g
Mass of water to be added is 95 g
5 = [5 / (M + 5)] × 100
5M + 25 = 500
5M = (500 - 25)
M = 95 g
Mass of water to be added is 95 g
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