Question

atomic mass of water H2o is:​

Answer 1

Answer:

18.01528 g/mol

Explanation:

The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.

Answer 2

Answer:

answer in attachment ......