10 gram sample of methane (CH 4 ) has the same number of molecules as 10 gram sample of O 2

The given question is incomplete. The complete question is:

10 gram sample of methane has the same number of molecules as 10 gram sample of . True or False

Thus the statement is False.

Explanation:

According to avogadro's law, 1 mole of every substance contains avogadro's number of particles.

To calculate the moles, we use the equation:

1.  

Now 1 mole of molecule contains = of molecules

0.625 mole of molecule contains = molecules

2.  

Now 1 mole of molecule contains = of molecules

0.3125 mole of molecule contains = molecules

The number of molecules are different.

the answer is true.

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