Answer: 121.43 Moles
Explanation: A mole of any element or compound is equal to 6.02 x 10^23 atoms/molecules
The fact that it’s methane doesn’t even matter, all you need is the number of atoms.
So you take 7.31 x 10^25 / 6.02 x 10^23 which equals 121.43 moles.
