# Does oxidation cause an increase or decrease in mass?

##### 1 Answer

Jun 23, 2017

#### Answer:

Well formally yes........

#### Explanation:

Because oxidation represents the formal LOSS of electrons.....

And since electrons have definite (admittedly negligible) mass, this is a formal mass loss.

Of course for every oxidation there is a corresponding reduction , so certainly mass is conserved in the overall redox equation.

and the overall reaction is........