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15.3 g of element X (atomic mass = 27) c...

15.3 g of element X (atomic mass = 27) combines with 13.6 g of oxygen to form an oxide.
(a) Express this in moles.
(b) What is the simplest formula for the oxide?

Text Solution

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(a) 0.566 , 0.425
(b) `EF = X_(2)O_(3)`
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