Question

How many grams of oxygen will be
required to react completely with 27 g
of Al? (Atomic mass : Al = 27, O = 16)
a. 8
b. 16
c. 24
d. 32​

Answer 1

Step-by-step explanation:

how many grams of oxygen is required to react compeletly with AI

Answer 2

Answer:

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2Al+

2

3

O

2

⟶Al

2

O

3

Moles of Al=

27

27

=1 mol

2 mole Al gives

2

3

mole O

2

1 mole Al gives

4

3

mole O

2

Mass of oxygen =

4

3

×32=24 gram

Hence, the correct option ios (A)