Question

Calculate the molar mass of the following:

H₂O

Answer 1

The molecular mass of water, H₂O

= (2 × Atomic mass of hydrogen) + (1 × Atomic mass of oxygen)

= [2(1.0084) g/mol + 1(16.00) g/mol]

= 2.0168 g/mol + 16.00 g/mol

= 18.0168 g/mol ∼ 18.02 g/mol