Question

Which of the following statement is true?

If I have the same number of moles
I will have different atomic
masses

If I have the same number of moles have a different number of
atoms

If I have the same number of moles I have the same atomic
masses

If I have the same number of moles I have the same number of
atoms

Answer 1

If I have the same number of moles, I have the same number of atoms.

This is the premise of ‘Avagadro’s Constant’ - which is a number that Avagadro found that is the number of atoms in 1 mole of a substance.