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Atomic Mass

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Question

the oxide of an element possess the molecular formula M2O3. if equivalent mass of the metal is 9, the molecular mass will be ?

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Solution

Dear Student,

In the given compound M₂O₃, the valency of metal M is 3.
It is given that the equivalent weight of the metal is 9.

$N o w, E q u i v a l e n t m a s s = \frac{M o l e c u l a r m a s s}{V a l e n c y} 9 = \frac{M o l e c u l a r M a s s}{3} M o l e c u l a r M a s s = 9 \times 3 M o l e c u l a r M a s s = 27$

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