9. Calculate the percentage composition in terms of mass of a solution obtained by
mixing 300 g of 25% and 400 g of a 40 % solution by mass.
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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. ... = 300 – 75 = 225 g Moles of solute in 400 g of solution of 40% conc.
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