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Chapter 9: Q. 9.35 (page 305)

A mouthwash contains 22.5%(v/v)alcohol. If the bottle of mouthwash contains 335mL, what is the volume, in milliliters, of alcohol?

Short Answer

Expert verified

The volume of alcohol is 79.9mlofalcoholif the mouthwash contains335mL

Step by step solution

01

Given Information.

The following are the given information to find the milliliters:

Mouthwash contains 22.5%(v/v)alcohol.

If mouthwash contains 335mL, find the volume in milliliters.

02

Explanation.

A conversion factor is a one-to-one ratio. Multiplying a quantity by a conversion factor keeps changing the units of measurement but does not change the original amount.

Equalities/conversion factor represents the milliliter of solute in 100mLof solution.

22.5%(v/v)written as:

localid="1653466843727" 100mlsolution=22.5mlalcohol

localid="1653466857271" 22.5mlalcohol100mlsolutionand100mlsolution22.5mlalcohol

The volume of the solution using conventional factors is,

localid="1653466871340" =355mlsotuion脳22.5mlalcohol100mlsotulion=79.9mlof alcohol

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