Question

Calculate the relativ molaer mass of waterH2O​

Answer 1

Explanation:

1.For H2O molecule -

2.Relative mass of hydrogen (H) = 1u.

Relative mass of oxygen (O) = 16u.

According to the formula of water contains 2 hydrogen atoms,

5.So, relative mass of water = 2 *( 1u ) + 16u. = 18u.

6.So, Relative mass of water = 18u.