ÌâÄ¿ÄÚÈÝ

ÒÑÖª25¡æʱÓйØÈõËáµÄµçÀëƽºâ³£ÊýÈçÏÂ±í£¬ÏÂÁÐÍƶÏÕýÈ·µÄÊÇ£¨¡¡¡¡£©
ÈõËữѧʽHXHYH2CO3
K1=4.3¨w10-7
K2=5.6¨w10-11
µçÀëƽºâ³£Êý7.8¨w10-93.7¨w10-15
A£®ÕâÁ½ÖÖÈõËáµÄËáÐÔHX£¾HY
B£®ÏàͬÌõ¼þÏÂÈÜÒºµÄ¼îÐÔNaX£¾Na2CO3£¾NaY£¾NaHCO3
C£®½áºÏH+µÄÄÜÁ¦£ºCO32-£¾Y-£¾X-£¾HCO3-
D£®HXºÍHYËáÐÔÏàͬ£¬¶¼±ÈH2CO3Èõ
A£®ÏàͬζÈÏ£¬ÏàͬŨ¶ÈµÄËáÈÜÒºÖУ¬ËáµÄµçÀëƽºâ³£ÊýÔ½´ó£¬ÆäµçÀë³Ì¶ÈÔ½´ó£¬ËáµÄËáÐÔԽǿ£¬ËùÒÔÕâÁ½ÖÖÈõËáµÄËáÐÔHX£¾HY£¬¹ÊAÕýÈ·£»
B£®ÏàͬÌõ¼þÏ£¬ËáµÄËáÐÔԽǿ£¬ÆäÒõÀë×ÓµÄË®½âÄÜÁ¦Ô½Èõ£¬ÏàͬŨ¶ÈµÄÄÆÑÎÈÜÒºµÄpHԽС£¬ÏàͬÌõ¼þÏÂÈÜÒºµÄ¼îÐÔNa2CO3£¾NaY£¾NaX£¾NaHCO3£¬¹ÊB´íÎó£»
C£®ÏàͬÌõ¼þÏ£¬ËáµÄËáÐÔԽǿ£¬ÆäÒõÀë×ÓµÄË®½âÄÜÁ¦Ô½Èõ£¬¼´ÒõÀë×Ó½áºÏÇâÀë×ÓÄÜÁ¦Ô½Èõ£¬ËùÒÔ½áºÏH+µÄÄÜÁ¦£ºCO32-£¾Y-£¾X-£¾HCO3-£¬¹ÊCÕýÈ·£»
D£®ÏàͬÌõ¼þÏ£¬HXµÄËáÐÔ´óÓÚHY£¬¹ÊD´íÎó£»
¹ÊÑ¡£ºAC£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø