Asked Sep 12, 2019

A sample of oxygen gas has a mass of 33.1 grams.

How many Omolecules are there in the sample?


Expert Answer

Step 1

Here, we have to calculate number of molecules present in 33.1 g of oxygen.

Step 2


    Mass of oxygen = 33.1 g.

    Molar mass of oxygen = 32 g.

Step 3

Calculation for number o...

number of moles
molar mass
33.1 g
number of moles
32 g
number of moles 1.0344 moles.

Image Transcriptionclose

mass number of moles molar mass 33.1 g number of moles 32 g number of moles 1.0344 moles.


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