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Concentration of a Solution

Ques.To make ...

Question

Ques.To make a solution ,40g of common salt is dissolved in 280g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

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Solution

Dear student. Mass of common salt= 40g Mass of Water (solvent) = 280g Total mass of the solution = 40g + 280g = 320g Concentration = Mass of the solute/Mass of the solution x 100 = 40/320 x 100 = 12. 5% Regards.

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