Answer:
3.76 × 10²³ atoms
Step-by-step explanation:
1 mole = 6.022 × 10²³ atoms (Avogadro's number)
Therefore, 0.625 moles of Ge will have:
Multiply the given moles by number of atoms per mole.
= 0.625 moles ×6.022 × 10²³ atoms/mol
= 3.76 × 10²³ atoms