Hartmann's Solution Is Used in Intravenous Therapy to Replace Lost

Multiple Choice

Hartmann's solution is used in intravenous therapy to replace lost body fluid and mineral salts. The total ion concentration in Hartmann's solution is 276 mM. It often is prepared from a more concentrated stock solution. How much stock solution is needed to prepare 500 mL of Hartmann's solution? The total ion concentration in the stock solution is 1.38 M.

A) 50 mL
B) 10 mL
C) 100 mL
D) 500 mL
E) 200 mL