Question

How many atoms are in 1.4 mol of phosphorus trifluoride (PF3)?
8.4 × 1024

3.4 × 1023

8.4 × 1023

3.4 × 1024

Answer 1

The way I remember this is Moles get Multiplied.

Multiply the number of moles by Avogadro's number. That will give you the number of molecules. Then, multiply that number by the number of atoms in each molecule to get the total number of atoms.

Answer 2

Thank you!! I'll try this (:

Answer 3

3.4x 10^24