Question #ff1ed Chemistry Reactions in Solution Buffer Calculations 1 Answer anor277 Sep 6, 2017 There is no #Na^+HPO_4^(2-)# salt, and thus the question was not well-proposed...... Explanation: Of course there is the #Na_2HPO_4# salt, and the #NaH_2PO_4# salt......we need concentration quoted. Answer link Related questions How are buffer solutions used? How do you calculate buffer capacity? How do buffer solutions maintain the pH of blood? How do you buffer a solution with a pH of 12? Why are buffer solutions used to calibrate pH? What is the role of buffer solution in complexometric titrations? How you would make 100.0 ml of a 1.00 mol/L buffer solution with a pH of 10.80 to be made using... What is the Henderson-Hasselbalch equation? What is an example of a pH buffer calculation problem? Why is the bicarbonate buffering system important? See all questions in Buffer Calculations Impact of this question 1530 views around the world You can reuse this answer Creative Commons License