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if a rubbing alcohol is 40% by volume solution of isopropyl alcohol and water ,how many ml of isopropyl alcohol are present in 60 ml bottle of the alcohol?​

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Solution:

Note: Isopropyl alcohol is the solute, water is the solvent, and bottle of alcohol is the solution.

[tex]\text{percent by volume} = \frac{\text{volume}_{solute}}{\text{volume}_{solution}} × 100[/tex]

[tex]\text{volume}_{solute} = \frac{\text{percent by volume}}{100} × \text{volume}_{solution}[/tex]

[tex]\text{volume}_{solute} = \frac{\text{40}}{100} × \text{60 m L}[/tex]

[tex]\boxed{\text{volume}_{solute} = \text{24 m L}}[/tex]

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