How many atoms are in two moles of carbon?

Question

6.02×1023 atoms
B.
6 atoms
C.
1.20×1024 atoms
D.
12.011 atoms

Answer 1

There are Avogadro's number of atoms in 1 mole of a substance.  That is 6.02x10²³ atoms/mole.

2 moles C x 6.02x10²³ atoms/mole = 1.204x10²⁴ atoms = 1.20x10²⁴ atoms <= Answer C