volume of solute = 30 mL
volume of solvent = 150 mL
percent by volume
[tex]\text{percent by volume} = \dfrac{\text{volume of solute}}{\text{volume of solute + volume of solvent}} \times 100\%[/tex]
[tex]\text{percent by volume} = \dfrac{\text{30 mL}}{\text{30 mL + 150 mL}} \times 100\%[/tex]
percent by volume = 16.7%
[tex]\\[/tex]
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