# A container has a volume of #1 L# and holds #16 mol# of gas. If the container is expanded such that its new volume is #27 L#, how many moles of gas must be injected into the container to maintain a constant temperature and pressure?

##### 1 Answer

Oct 8, 2016

#### Explanation:

Using the Ideal Gas Law:

and

Dividing [2] by [1]

Subtract 16 to find the amount that you must add: