Chemistry Phosphoric acid is a weak acid and its basicity is____________________? Options:A. 1B. 3C. zeroD. 2View AnswerB. 3 Continue Reading Previous: By which method the molecular mass of benzene was determined as 78.108 ?Next: Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?