ÌâÄ¿ÄÚÈÝ
ÔÚ18 ¡æʱ£¬H2SO3µÄK1£½1£®5¡Á10-2¡¢K2£½5£®0¡Á10-7£¬H2CO3µÄK1£½1£®4¡Á10-7¡¢K2£½2£®7¡Á10-11£¬ÔòÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ ( )
A£®¶àÔªÈõËáµÄËáÐÔÖ÷ÒªÓɵÚÒ»²½µçÀë¾ö¶¨£¬ÑÇÁòËáµÄËáÐÔÈõÓÚ̼Ëá |
B£®¶àÔªÈõËáµÄËáÐÔÖ÷ÒªÓɵڶþ²½µçÀë¾ö¶¨£¬Ì¼ËáµÄËáÐÔÈõÓÚÑÇÁòËá |
C£®¶àÔªÈõËáµÄËáÐÔÖ÷ÒªÓɵÚÒ»²½µçÀë¾ö¶¨£¬ÑÇÁòËáµÄËáÐÔÇ¿ÓÚ̼Ëá |
D£®¶àÔªÈõËáµÄËáÐÔÖ÷ÒªÓɵڶþ²½µçÀë¾ö¶¨£¬Ì¼ËáµÄËáÐÔÇ¿ÓÚÑÇÁòËá |
C
ÊÔÌâ·ÖÎö£ºÓɶþÔªÈõËáH2SO3¡¢H2CO3µÄµçÀëƽºâ³£Êý¿ÉÒÔ¿´³ö£¬¶àÔªÈõËáÈÜÒºµÄËáÐÔ¶¼ÊÇÖ÷ÒªÓеÚÒ»²½µçÀë²úÉú¾ö¶¨¡£µçÀëƽºâ³£ÊýÔ½´ó£¬ÈÜÒºÖеÄc(H+)¾ÍÔ½´ó£¬ÈÜÒºµÄËáÐÔ¾ÍԽǿ¡£ÓÉÓÚµÚÒ»²½µçÀëµçÀëƽºâ³£ÊýH2SO3>H2CO3¡£ËùÒÔÔÚÏàͬµÄζÈÏ£¬ÑÇÁòËáµÄËáÐÔÇ¿ÓÚ̼Ëá¡£Òò´ËÕýÈ·Ñ¡ÏîΪC¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿