EXAMPLE: What is the molarity of a solution made by dissolving 5.67 g of potassium chloride
in enough water to make 100.0 mL of solution?
This data gives a relationship between amount of solute and volume of solution: 5.67 g KCl /
100.0 mL. To find molarity we must convert grams KCl to moles KCl and mL solution to L:
5.67 g KCl 1 mol KCl 1000 mL 0.760 mol KCl
x x = or 0.760 M KCl
100.0 mL 74.6 g KCl L L
