The volume of wine present in 750 mL bottle of wine that contains 11 % (v/v) of ethanol is to be calculated. Concept introduction: Several concentration units may be used to express the concentration. It is often useful to express the concentration in terms of percentage. This can be expressed as the amount of solute in grams dissolved in 100 mL of solution that is termed as weight by volume percentage. This is useful to express the concentration of solid solutes. The other way is to express the number of milliliters of solute per 100 mL of the solution. This is called the volume /volume percentage that is useful to express the concentrations of liquid solutes. The formula to calculate the volume /volume percent is as follows: Volume/volume percent ( v v ) % = ( Volume of solute ( mL ) Volume of solution ( mL ) ) ( 100 % )

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Chapter 8, Problem 65P

Interpretation Introduction

Interpretation:

The volume of wine present in 750 mL bottle of wine that contains 11 % (v/v) of ethanol is to be calculated.

Concept introduction:

Several concentration units may be used to express the concentration. It is often useful to express the concentration in terms of percentage. This can be expressed as the amount of solute in grams dissolved in 100 mL of solution that is termed as weight by volume percentage. This is useful to express the concentration of solid solutes. The other way is to express the number of milliliters of solute per 100 mL of the solution. This is called the volume /volume percentage that is useful to express the concentrations of liquid solutes.

The formula to calculate the volume /volume percent is as follows:

Volume/volume percent (vv) %=(Volume of solute( mL)Volume of solution( mL))(100 %)

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