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Using the data in your textbook, calculate the concentrations of the molecular and ionic species and the pH in aqueous solution that has a formal composition of 0.0700 M KH2PO4 + 0.5500 M K2HPO4.

What is the pH of this solution?

What is the concentration of the molecular species H3PO4?

What is the concentration of K+ in molarity?

What is the concentration of OH-?

What is the concentration of PO4-3 in molarity? (use Ka3=4.2x10-13)

What is [HPO4-2]?

What is [H2PO4-]?

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