The antibiotic ampicillin sodium has 2.9 mEq Na+ per gram. If you prepare an IV with 2 grams of ampicillin in 100 ml NaCl solution, how many milliequivalents of sodium are in the IV?
(A) mEq Na+ in 2 g ampicillin sodium
(B) mEq Na+ in 100 mL 0.9% NaCl
(C) total mEq Na+
My answer:
(A) 5.8 mEq
(B) 2.61 mEq (but the answer key says that it is 15.5 mEq)
(C) 8.41 mEq (answer key says 21.3 mEq)