`0.5400` g of a metal `X` yields `1.020` g of its oxide `X_2O_3`. Find the number of moles of `X` :

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Q 1176278176.     `0.5400` g of a metal `X` yields `1.020` g of its oxide `X_2O_3`. Find the number of moles of `X` :
A

`0.05`

B

`0.02`

C

`0.4`

D

`0.01`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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