Q.

18 g of sucrose is dissolved in 162 g of water. Calculate the mass percentage of solution.

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a

18 %

b

10 %

c

20 %

d

15 %

answer is B.

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Detailed Solution

We know that mass percentage = Mass of the component in the solution  Total mass of the solution ×100and total mass of solution = mass of sucrose (solute) + mass of solvent (water)                                          = (18 + 162)g = 180 g ∴ Mass percentage =18180×100=10%
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