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A solution is prepared by adding 2 g of ...

A solution is prepared by adding 2 g of a substance A to 18 g of water. Calculate the mass per cent of the solute.

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Mass of solution `=2+18g=20g`
`"Mass percent of the solute"=("Mass of the solute")/("Mass of solution")xx100=(2)/(20)xx100=10%`
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