【简答题】H3PO4, H2PO4-, and HPO42- are acids, and their conjugate bases are H2PO4-,HPO42-,and PO43-, respectively. what are the relationship between Ka of conjugate acid and Kb of its conjugate base?
【简答题】classify each of the following chemical equations as a (i) combination
reactions, (ii) decomposition reaction, (iii) displacement reaction, or (iiii)partner-exchange
reaction. (a) Fe 3 O 4 + 4H 2 (g) ...