# Question #407ab

##### 1 Answer

Jul 18, 2017

#### Answer:

We know that

#### Explanation:

We work out (i) the molar quantity of ammonia:

And (ii), we were axed for the number of ATOMS in such a molar quantity. And because there are 4 moles of atoms in EACH mole of ammonia, we get a mole of atoms as our final answer....

...

i.e. a mole of atoms in TOTAL.