# Question #62744

##### 2 Answers

The sample contains 0.80 mol of

#### Explanation:

We can use the **Ideal Gas Law** to solve this problem:.

#color(blue)(bar(ul(|color(white)(a/a)pV = nRTcolor(white)(a/a)|)))" "#

We can rearrange this equation to get

#n = (pV)/(RT)#

In this problem,

∴

There are 0.80 mol of nitrogen.

#### Explanation:

"But sir, what if the pressure unit is in pascals and the volume is in cubic metres instead of cubic decimetres?"

If

Then