Question

How many moles are in 1.22 * 10^20 atoms of Si

Answer 1

7.35×1023 atoms

Step-by-step explanation:

Answer 2

2.03 × 10⁻⁴ moles

Step-by-step explanation:

To convert atoms to moles, use Avogadro's number (6.022 × 10²³).

(1.22 × 10²⁰ atoms)/(6.022 × 10²³ atoms/mol) = 2.03 × 10⁻⁴ mol