1.

12 g of common salt is dissolved in 150 g of solution.

Answer»

SOLUTION :Mass of common salt (solute) = 12 G
Mass of solution = 150 g
Percentage of concentration of solution,
`(%w//w)=("Mass of solute")/("Mass of solution")XX100`
= `(12g)/(150G)xx100`
= 8%


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