Chemistry / Unit 3 Chem 0418 short lesson, about 20 seconds
Volume Percentage
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The idea
A solution's volume percentage is a liquid solute's volume divided by the solution's total volume, expressed as a percentage.
In practice
Windshield washer fluid sold as 30% by volume holds 30 mL of methanol in every 100 mL of solution.
Where people slip
Volume percentage divides by solution volume, not solvent volume alone — the solute's own volume is part of that total.
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