J.R. S. answered 11/21/20
Ph.D. University Professor with 10+ years Tutoring Experience
HCO3- + H3PO4 ----> CO2 + H2O + H2PO4-
base........acid........................CA......CB......
CH3NH2 + HCI ----> CH3NH3+ + Cl-
base..........acid.........CA...............CB....
Zn + 2HBr -----> ZnBr2 + H2