Respuesta :

One mole of methane has a mass of 4*1 + 12

= 16 grams.

So 32g is 2 moles of methane.

Now we use Avogadro's number:

I mole of an elements contains 6.022 * 10^23 molecules so the answer is 2 * 6.022 * 10^23

= 12.044 * 23 molecules.


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