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Empirical and Molecular Formula

An oxide of m...

Question

An oxide of metal M has 40% by mass of oxygen. Metal M has relative atomic mass of 24g/mol. The empirical formula of the oxide is:

A

M₂O₃

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B

MO

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C

M₂O

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D

M₂O₅

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Solution

The correct option is B
MO

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