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Question: A solution is obtained by mixing 200 g of 30% and 300 g of 20% solution by weight. What is the perce...

A solution is obtained by mixing 200 g of 30% and 300 g of 20% solution by weight. What is the percentage of solute in the final solution

A

50%

B

28%

C

64%

D

24%

Answer

24%

Explanation

Solution

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 =120500×100=24%= \frac { 120 } { 500 } \times 100 = 24 \%