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What is the mass % of a solution if it contains 20 g of salt mixed with 40 g of water?A. 20%B. 33%C. 40% |
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Answer» Explanation: VOLUME of solution = 500 ml Mass by volume percentage = Volume of solution Mass of solute×100
= 500 20×100
=4% 4×10= 40 HENCE the answer is 40% |
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