How many atoms of oxygen are represented in 2fe(no3)2?

3
6
12
18

Answer : The number of atoms of oxygen present in are, 12.

Explanation :

As we know that, is made up of the combination of iron and nitrate molecule.

In compound, there are three elements which are iron (Fe), nitrogen (N) and oxygen (O).

The number of atoms of iron = 2

The number of atoms of nitrogen = 4

The number of atoms of oxygen = 12

Hence, the number of atoms of oxygen present in are, 12.

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