The Ka values for HPO2−4 and HSO−3 are 4.8×10−13 and 6.3×108 repectively. Therefore, it follows the HPO2−4 is … acid than HSO−3 and PO3−4 is a …… base than SO2−3 it follows the HPO2−4 is … acid than HSO−3 and PO3−4 is a …… base than SO2−3 The Ka values for HPO2−4 and HSO−3 are [...]