Given that the mass of an oxygen atom is 16 amu and that of a hydrogen atom is 1 amu, 1 mole of water would be equal to A) 17 amu. B) 18 amu. C) 15 grams. D) 18 grams. E) 6.02 × 10²³ grams.

Question

Quizplus · Accepted Answer

The molecular weight of water (H2O) is 18 amu (2 hydrogen atoms at 1 amu each + 1 oxygen atom at 16 amu). Therefore, 1 mole of water, which is equal to its molecular weight in grams, is 18 grams.

Given That the Mass of an Oxygen Atom Is 16