# Question #d7ebc

##### 1 Answer

#### Explanation:

**NOTE: I'll have to make the assumption that the conditions are *standard temperature and pressure***.

If this is true then

**One mole of an (ideal) gas at standard temperature and pressure conditions occupies a volume of #22.41# #"L"#**.

We can use this to convert from *liters* of *moles* (treating oxygen as an ideal gas). We need to convert from milliliters to liters:

Using the above mole-liter conversion:

Now, we can use **Avogadro's number** (