Question

If 1.5 moles of oxygen combines with aluminium to form Al₂O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm.

a.

27

b.

54

c.

5.4

d.

2.7

Answer: (b).54

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Q. If 1.5 moles of oxygen combines with aluminium to form Al₂O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm.

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