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If 1(1)/(2) moles of oxygen combine with...

If `1(1)/(2)` moles of oxygen combine with `Al` to form `Al_(2)O_(3)`, the weight of `Al` used in the reaction is `(Al = 27)` :

A

27 g

B

18 g

C

54 g

D

40.5 g

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The correct Answer is:
B
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