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If 5.0 g of Al react with 4.45 g of O(2)...

If 5.0 g of Al react with 4.45 g of `O_(2)`, empirical formula of aluminium oxide is

A

`Al_(2)O_(3)`

B

`AlO_(2)`

C

`Al_(2)O`

D

`AlO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Al : O
weight 5 : 4.45
moles = `(5)/(27):(4.45)/(16)`
= 80 : 120
= 2 : 3
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