How many grams are in 4.5 moles of sodium

103.5 g Na

Explanation: 1 mole of Na is equal to its molar mass which is 23 g.

Solution:

4.5 moles Na x 23 g Na / 1 mole Na

= 103.5 g Na

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.