A solution contains $16\ g$ of urea in $120\ g$ of the solution. What is mass by mass percentage of solution?
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Mass of solute $= 16\ g$
Mass of solution $= 120\ g$ Mass $\%$
= mass of solute ÷ mass of solution $\times 100$
$= 16 ÷ 120 \times 100$
$ = 13.333333333...\% = 13 \%$ (approx)
Mass of solution $= 120\ g$ Mass $\%$
= mass of solute ÷ mass of solution $\times 100$
$= 16 ÷ 120 \times 100$
$ = 13.333333333...\% = 13 \%$ (approx)
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