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4. How many molecules are in the following formula?
3Fe2O3

4 How Many Molecules Are In The Following Formula 3Fe2O3 class=

Sagot :

Answer:

Option C, 3 molecule is correct

Explanation:

The formula is of Ferric oxide

3Fe2O3

The number 3 ahead the chemical formula represents the number of molecules of the given substance. In general the formula of iron (III) oxide is Fe2O3

Since there are three molecules of it hence the formula is written as 3Fe2O3

Option C, 3 molecule is correct