A solution is obtained by mixing $ 200 \mathrm{~g} $ of $ 30 \% $ and $ 300 \mathrm{~g} $ of $ 20 \% $ solution by weight. What is the percentage of solute in the final solution?

Question

A solution is obtained by mixing $ 200 \mathrm{~g} $ of $ 30 \% $ and $ 300 \mathrm{~g} $ of $ 20 \% $ solution by weight. What is the percentage of solute in the final solution?,

MARKS App · Accepted Answer

Solute in 200 g of 30% solution = 60 g Solute in 300 g of 20% solution = 60 g total grams of solute = 120 g total grams of solution = 200 + 300 = 500 g % of solute in the final solution = Wt. of solute Wt. of solution × 100 % of solute in the final solution = 120 500 × 100 = 24 %

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