What is the [H₃O⁺] (hydronium concentration) of an aqueous solution that has a pH of 3.30?

Acetic acid, hc2h3o2, dissolves and completely dissociates in water and a solvation sphere of water molecules forms around the ions. this solute-solvent interaction

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?

Compare and contrast physical changes with chemical changes.