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Law of Reciprocal Proportions

Weight of oxy...

Question

Weight of oxygen in $F e_{2} O_{3}$ and FeO is in the ratio of :

A

3 : 2

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B

1 : 2

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C

2 : 1

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D

3 : 1

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Solution

The correct option is B $3 : 1$
$F e_{2} O_{3}$ = $48 g$ oxygen
$F e O = 16 g$ oxygen
ratio of oxygen in $F e_{2} O_{3}$ :oxygen in $F e O = 3 : 1$

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