A. 11.%
B. 22.2%
C. 10%
D. 20%

Correct Answer:

Option C = 10%

Explanation

Mass of Solution = Mass of Solute + Mass of Solvent → 20g + 180g

: Mass of Solution = 200g

Mass Percent = Mass of Solute /Mass of Solution X 100

Mass percent = 20/200 X 100

Mass percent = 10%

 

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