A solution made by combining 1 L of 5% D / W with three 50-mEq (50-mmol / L) ampules of sodium bicarbonate and 20 to 40 mEq (20 to 40 mmol / L) of potassium can be given at a rate of 250 mL / h in adults and 2 to 3 mL / kg / h in children.