1. A solution contains 60 gm of common salt in 240 gm of water. Calculate the concentration in terms of mass by mass percentage of solution.
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Answer:
concentration of solution = mass of solute/ mass of solution x 100
mass of solute = 60 g
mass of solvent =240g
mass of solution = 60g +240=300g
concentration of solution = 60/300 x 100
= 1/5 x 100
= 20%
Explanation:
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