In: Chemistry
1. Calculate the pH of the following solutions.
a. A solution containing 0.100 M KH2PO4 and 0.200 M K2HPO4
b. A solution prepared by mixing 100.0 mL 0.100 M H3PO4 with 50.0 mL 0.150 M K3PO4
c. A solution prepared by mixing 100.0 mL of 0.100 M H3PO4 and 80.0 mL of 0.200 M KOH.