4. What is the mass in grams of NaCl in 500 mM of NaCl solution in 100 mL?
(A) 2.925 g
(B) 29.25 g
(C) 1.170 g
(D) 1170 g

(E) 0.005 g

1. 題目解析題目要求計算在500 m...