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A solution is prepared by adding 20 g of a substance A to 30 g of water.Mass percent of the solute is...​

Answer 1

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CHEMISTRY

A solution is prepared by adding 2 g of substance A to 18 g of water. The mass percent of the solute is:

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The formula for the mass percentage of solute in solution is =

mass of solution

Mass of solute

×100

Substituting values in the above expression, we get

Mass percentage =

2+18

2

×100=10%

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