According to the table of Ka values for a selection of polyprotic acids provided, what is the Ka for HPO42-? a. 4.8 x 10-13 Acid Name Formula Kai Kaz Ka3 b. 5.6 x 10-11 Phosphoric H,PO 7.5 x 106.2 104.8 x 10 c. 6.0 x 10-10 Arsenic H, Aso, 5.0 x 10 8 .0 x 10 6.0 x 10 d. 8.0 x 108 e. 5.0 x 10-3 Carbonic H.CO, 4.3 * 10 5.6 x 10″ Sulfurous H.SO, 1.5x 102 1.0 x 10 12)What is the total concentration of ions in a 0.450 M (NH4)2SO3 solution? a1.35 M b. 0.900 M c. 0.450 M d. 0.225 M