# How many molecules are in 5 mg of aspartame?

##### 1 Answer

#### Explanation:

We're asked to find the number of molecules of a given mass of a substance. We can do this using the *molar mass* of the substance and *Avogadro's constant*,

Aspartame has the chemical formula

Let's convert the given mass (

Using Avogadro's constant, we can convert this value to molecules as so:

which I'll leave at one significant figure, as allowed by the problem..