Phosphoric acid is a weak triprotic acid with the formula H3PO4. If you have 50.0mL of a 1.0 M solution of H3PO4, explain how many grams of NaOH MM = 40.0g/mol must you add to make a buffer with a pH of 7.00?
Acid Ka
H3PO4 7.1 * 10-3
H2PO4- 6.3 * 10-8
HPO4 2- 4.2 * 10-13