28.0 grams of sodium are how many moles?

1.2179

Explanation:

1 grams Sodium is equal to 0.043497607849056 mole. So if you put that 28 times it will be the answer above.

Hope this helps:)

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.

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).