Saline (salt) solution is 0.9% by mass which is similar to tears, blood, and other body fluids. Which of the following could be the recipe used in commercial saline solutions?

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.

10 years is the answer