A solution contains 43 mEq/L of of CI and 11 mEg/L of HPO,2-. If the only cation in the solution is Na* ,what is the Na* concentration in mEq/L?
O 11 mEq/L
O 43 mEq/L
O 2.0 mEq/L
O 54 mEg/L
O 32 mEq/L