Question

A solution contains 20ml of vinegar in 80ml of water. Calculate the percentage of vinegar in the solution.

Answer 1

Answer:

20%

Explanation:

Mass of solute=20ml

Mass of solvent=80ml

Mass of solution =80+20=100

percentage=20/100×100

=20%

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Answer 2

Explanation:

Vinegar = 20ml

Water = 80ml

Total mass of solution = 20 + 80 = 100ml

Percentage of vinegar = $\frac{20}{100}$ × 100 = 20 % of vinegar

Percentage of vinegar in the solution = 20 %