# Question #1cd39

##### 1 Answer

You have approximately

In order to determine how many *molecule* of air you have, you must determine how many moles you have in the room. Before calculating the number of moles you have, convert the volume from cubic feet to liters

Now just use the ideal gas law equation to solve for the number of moles

Since 1 mole of a substance is defined as containing **Avogadro's number** - the total number of molecules of air in the room will be

The answer is rounded to three sig figs.