# How many atoms of nitrogen are in 10 g of #"NH"_4"NO"_3#?

##### 1 Answer

Nov 10, 2016

#### Explanation:

In order to find out how many atoms we have in a certain amount of a sample, we have to use the Avogadro constant: the number of atoms in one mole,

In order to work out how many moles we have in our sample, we can use the formula