學士後中醫 - 化學（含有機化）題庫下載題庫

6.NaHCO₃ is the active ingredient in baking soda. How many grams of oxygen are in 0.52 g of NaHCO₃?
(A) 0.099 g
(B) 0.019 g
(C) 6.19× 10³ g
(D) 0.30 g