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(a) How much water should be added to 15g of salt to obtain 15% salt solution?

(b) What is the main difference between aqueous solution and non-aqueous solution?

(c) Why does solution of sodium chloride not show Tyndall effect where as the mixture of water and milk shows?

Asked by Topperlearning User 13th March 2015, 2:37 PM
Answered by Expert
Answer:

(a)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

(b)In an aqueous solution, the solute is dissolved in Water; whereas in case of non - aqueous solution, solute is dissolved in any liquid other than water.

(c)Sodium chloride gets dissolved in water completely and forms true solution whereas milk into water forms a colloidal solution which shows Tyndall effect.

Answered by Expert 13th March 2015, 4:37 PM
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