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10/09/2020 8:44 pm
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A solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Calculate the mass percentage of the resulting solution.
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10/09/2020 8:44 pm
Given that a solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass.
Total mass of solution = 300 + 400 = 700 g
Mass of solute = 0.25 × 300 + 0.40 × 400 = 75 + 160 = 235 g
Mass percentage of solution = 235/700 × 100 = 33.6%