Answer :
1 mole Cs ------------ 6.02x10²³ atoms Cs
1.2 moles Cs ------------- ?
1.2 * 6.02x10²³
= 7.224x10²³ atoms
hope this helps!
1.2 moles Cs ------------- ?
1.2 * 6.02x10²³
= 7.224x10²³ atoms
hope this helps!