joleam7700 joleam7700 20-03-2024 Chemistry contestada If you add 0.20 moles of K⁺H₂PO₄⁻to 0.75 moles of K2⁺HPO₄²⁻ in 1L of water. The pK a of the phosphate species here is 7.22 . What is the pH of the mixture?