Question

27g of Al (at mass = 27) will react completely with oxygen equals to : (A) 24g (B) 8g (C) 40g (D) 10g​

Answer 1

Answer:

24 g

Explanation:

when 27g of aluminium react with oxygen equal to 24g

Answer 2

Answer:

24 gm your answer

4Al +3O2 ---------> 2Al2O3

27g

Explanation:

3mold oxygen need 4 moles for complete reaction

there is one mole of aluminium

so

4-->3

1----->3/4 moles oxygen need

mass of 3/4 mole oxygen 3/4×32=24g