Chapter 8.5, Problem 5QQ

Interpretation Introduction

Interpretation:

The percent concentration unit often used in medical setting has to be determined.

Concept introduction:

Percentage by volume: ratio of volume of solute to volume of solution and multiplied with $\text{100}$.

Percentage by mass: ratio of amount of solute to amount of solution and multiplied with $\text{100}$.

  $\text{percent}\text{by}\text{mass}\text{=}\frac{\text{amount}\text{of}\text{solute}}{\text{amount}\text{of}\text{solute}\text{+}\text{amount}\text{of}\text{solvent}}\text{×}\text{100\%}$

  $\text{percent}\text{by}\text{volume}\text{=}\frac{\text{volume}\text{of}\text{solute}}{\text{volume}\text{of}\text{solution}}\text{×}\text{100\%}$