MCQ : The mass ratio of hydrogen and oxygen in water is

Question

The mass ratio of hydrogen and oxygen in water is

1. 2:1
2. 1:2
3. 1: 8
4. 8: 1

Answer

1:8

Explanation

The mass ratio of hydrogen and oxygen in water is 2:16 or simplified as 1:8. This is because the molar mass of oxygen is 16 times that of hydrogen.