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27g of Aluminium will react completely w...

27g of Aluminium will react completely with how many grams of oxygen?

A

32

B

16

C

8

D

24

Text Solution

Verified by Experts

The correct Answer is:
D
The balanced equation for the given reaction, `4Al + 3O_(2) rarr 2Al_(2)O_(3)`
Atomic mass of Al= 27g
Atomic mass of `O_(2)= 2 xx 16= 32g`
Mole ratio of aluminium and oxygen
`Al: O_(2)`
`4: 3`
`1: 3//4`
Mass of `O_(2)` required `=(3)/(4) xx 32= 24g O_(2)`
Hence, option (c ) is correct
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