What is the proportion of hydrogen and oxygen by weight in water?

1 : 16

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1 : 8

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16 : 1

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18 : 1

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Solution

The correct option is A $1 : 8$
The weight of water is $18$ amu.

Weight of oxygen $= 16$ amu

Weight of hydrogen $= 2$ amu

Thus, the ratio of Hydrogen : Oxygen is $2 : 16 = 1 : 8$

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Similar questions

In water , the proportion of oxygen and hydrogen by mass is :
(a) 1 : 4
(b) 1 : 8
(c) 4 : 1
(d) 8 : 1

In hydrogen peroxide $(H_{2} O_{2})$ , the proportion of hydrogen by mass is :

The ratio of hydrogen to oxygen in water is $1 : 8$ by weight. How many grams of hydrogen is there in $1800 g m$ of water?

(H_{2} O)

(H = 1, O = 16)

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