Which has more atoms, 12.0 mol of C or 12.0 mol of Ca?

12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms ... A silver ring contains 1.1 x 1022 silver atoms

hope it will help you

kamina op bolte

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they are equal.

Explanation:

1 mol = 6.022 × 10^23 (Avogadro's constant), which is the number of atoms in 1 mol of any element. Doesn't matter what their atomic mass is, although, of course, 1 mol of carbon weighs less than 1 mol of calcium, but its because their mass is different, but the point is, in 1 mol of any element there is 6.03*10^23 atoms

This is like saying, what weighs more, 10 kg of feathers or 10 kg of metal