Question
Explain (% V/V) Volume Percentage with examples.
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Answer
→ "The volume of Solute (ml) dissolved in 100 ml solution is known as volume percentage (% V/V)."
→ Volume % of a component =
$\frac{\text { Volume of the component }( ml )}{\text { Total volume of solution }( ml )} \times 100$
→ For example, 10% ethanol solution in water means that 10 mL 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 255.4K (-17.6°C).
→ Volume % of a component =
$\frac{\text { Volume of the component }( ml )}{\text { Total volume of solution }( ml )} \times 100$
→ For example, 10% ethanol solution in water means that 10 mL 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 255.4K (-17.6°C).
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