This is a sample practice set. In order to have a more personalized exam prep experience:
or
8. Water and Minerals / Major Mineral: Sodium and Potassium / Problem 3
Problem 3
A salt substitute contains 60% potassium chloride (KCl) by weight. One serving is 5.0 g of the salt substitute. Approximately how many milligrams of elemental potassium (K) are supplied in that one 5.0 g serving? (Atomic weights: K = 39.10, Cl = 35.45; molecular weight KCl ≈ 74.55.)