What is the % by mass of solute in a solution in which 45.0 grams of H2SO4 is dissolved in 125 grams of water? Round your answer to the nearest tenth.

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.