27 g of Al (Atomic mass = 27) will combine with _______ of O2 to form – InterviewSolution

1.

27 g of Al (Atomic mass = 27) will combine with _______ of O2 to form aluminium oxide. (A) 24 g (B) 8 g (C) 40 g (D) 10 g

Answer»

Correct option: (A) 24 g

4Al + 3O₂ → 2Al₂O₃

(108 g) (96 g) (204 g)

108 g Al combines with 96 g of O₂

27 g Al combines with \(\frac{96 \times 27}{108}\) =24 g

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