ÌâÄ¿ÄÚÈÝ
ij¶þÔªËᣨH2A£©°´ÏÂʽ·¢ÉúµçÀ룺H2A£½H++HA-£»HA-H++A2-¡£ÏÖÓÐÏÂÁÐËÄÖÖÈÜÒº¢Ù0£®0lmol/LµÄH2AÈÜÒº¢Ú0£®0lmol/LµÄNaHAÈÜÒº ¢Û0£®02mol/LµÄHC1ÈÜÒºÓë0£®04mol/LµÄNaHAÈÜÒºµÈÌå»ý»ìºÏ¢Ü0£®02mol/LµÄNaOHÈÜÒºÓë0£®02mol/LµÄNaHAÈÜÒºµÈÌå»ý»ìºÏ
ÏÂÁйØÓÚÉÏÊöËÄÖÖÈÜÒºµÄ˵·¨ÕýÈ·µÄÊÇ £¨ £©
A£®ÈÜÒº¢ÚÖдæÔÚË®½âƽºâ£ºHA-+H2OH2A+OH-
B£®ÈÜÒº¢ÛÖÐÓУºc£¨HA-£©+c£¨A2Ò»£©=c£¨Na+£©
C£®ÈÜÒº¢ÜÖÐÓУºc£¨OHÒ»£©=c£¨H+£© +c£¨HA-£© +2c£¨H2A£©
D£®ËÄÖÖÈÜÒºÖÐc£¨HA-£©Å¨¶È´óС£º¢Û>¢Ú>¢Ù>¢Ü
¡¾´ð°¸¡¿
B
¡¾½âÎö¡¿ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿