An unknown element forms an oxide. What will be the equivalent weight of the element if the oxygen content is 20% by weight?
A
16g
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B
32g
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C
8g
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D
64g
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Solution
The correct option is B32g 20g of oxygen combine with metal =80g ∴8g of oxygen will combine with metal =8020×8=32g By definition, equivalent weight of metal =32