The mass ratio of hydrogen to oxygen in water is :
A
1:8
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B
3:2
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C
2:3
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D
8:1
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Solution
The correct option is A
1:8
The chemical formula of water is H2O. Here,
Mass of hydrogen atom = 2u
Mass of oxygen atom = 16u
Therefore, the mass ratio of hydrogen to oxygen =216=18=1:8