Question

How much water should be added to 15 glasses of salt to obtain 15 percent salt solution?

Answer 1

Answer:

Concentration of solution = 15%

   Mass of solute = 15g

   Mass of solvent = 15 + X

   Concentration of solution = (Mass of solute / Mass of solution) X 100

                                 15 = (15/15+X) x 100

                           15 + X = (15/15) x 100

                                  X = 100 - 15

                                  X = 85 g

Explanation:

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