Question

The ratio of hydrogen and oxygen in water is 2:1 then what will be %of hydrogen and oxygen

Answer 1

Let the % be 2x and 1x.
2x+1x=100%
3x=100
x=100/3
x=33.3%
And put the value and find the answer.

Answer 2

∴ Hydrogen : Oxygen = 2 : 1

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