Acid lonization Equation H PO4 aq H aq HPO4 aq HPO4 aq H aq

Last updated: 7/3/2023

Acid lonization Equation H PO4 aq H aq HPO4 aq HPO4 aq H aq PO4 aq Acid lonization Constants Ka 6 3 10 8 Ka 4 5 x 10 13 pK 7 20 12 35 A buffer was prepared by mixing 200 0 mL of 0 500 M NaH PO4 and 50 00 mL of 0 400 M Na HPO4 1 Calculate the pH of the buffer Round off your answer until the second digit after the decimal point 2 Calculate the molar concentration of the buffer Observe rules on significant figures