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(N/A) The volume of solute $(mL)$ dissolved in $100 \ mL$ of solution is expressed as volume percentage $(\% \ V/V)$.$	ext{Volume } \% 	ext{ of a co

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(N/A) The volume of solute $(mL)$ dissolved in $100 \ mL$ of solution is expressed as volume percentage $(\% \ V/V)$.
$\text{Volume } \% \text{ of a component} = \frac{\text{Volume of the component} \times 100}{\text{Total volume of solution}}$
For example,a $10 \% \text{ ethanol solution in water means that } 10 \ mL \text{ of ethanol is dissolved in water such that the total volume of the solution is } 100 \ mL$.
Solutions containing liquids are commonly expressed in this unit.
For example,a $35 \% \ (V/V)$ solution of ethylene glycol,an antifreeze,is used in cars for cooling the engine.
At this concentration,the antifreeze lowers the freezing point of water to $255.4 \ K$ $(-17.6^{\circ} C)$.

Explain $\% \ V/V$ in brief.

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