SORT SOnA HSOA-SO Naoh SOrt SO3Na ONa OH Naoh(s H ONa OH SO3Na ONa NaoH(s) ①D 300 OH ⑨DOrganic Chemistry Organic Chemistry Xiamen Xiamen University University H 2SO 4-S O 3 SO 3 H NaOH ONa SO 3 H ONa SO 3Na SO 3Na NaOH( s ) H + OH OH SO 3Na 300 ONa NaOH( s ) OH H +