# How do you find formula mass?

##### 1 Answer

Jun 28, 2016

Got a Periodic Table handy?

#### Explanation:

Consider the formula, and sum up the masses of each element in the formula to give the formula mass. You get an answer in

So let's take an example:

You can of course do this with any given formula. You will have access to a Periodic Table in any Chemistry or Physics examination.