Q.

200 ml of solution contains 20 g of solute. Calculate the concentration in terms of mass by volume percentage of the solution.

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a

10%

b

30%

c

20%

d

5%

answer is B.

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Detailed Solution

Given:  Mass of solute = 20g

               Volume of solution = 200 ml

Solution:

Mass by volume percentage of solution=Mass of soluteVolume of solution × 100

                                                                              = 20200× 100

                                                                             =202

                                                                             =10% 

The mass by volume percentage of the given solution is 10 %          

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