ÌâÄ¿ÄÚÈÝ
»¯Ñ§Æ½ºâ³£Êý(K)¡¢µçÀë³£Êý(Ka¡¢Kb)¡¢ÈܶȻý³£Êý(Ksp)µÈ³£ÊýÊDZíʾ¡¢ÅжÏÎïÖÊÐÔÖʵÄÖØÒª³£Êý£¬ÏÂÁйØÓÚÕâЩ³£ÊýµÄ˵·¨ÖУ¬ÕýÈ·µÄÊÇ
A£®»¯Ñ§Æ½ºâ³£ÊýµÄ´óСÓëζȡ¢Å¨¶È¡¢Ñ¹Ç¿Óйأ¬Óë´ß»¯¼ÁÎÞ¹Ø |
B£®Ka(HCN)<Ka(CH3COOH)˵Ã÷ÏàͬÎïÖʵÄÁ¿Å¨¶Èʱ£¬ÇâÇèËáµÄËáÐԱȴ×ËáÇ¿ |
C£®ÏòÂÈ»¯±µÈÜÒºÖмÓÈëͬŨ¶ÈµÄ̼ËáÄƺÍÁòËáÄÆÈÜÒº£¬ÏȲúÉúBaSO4³Áµí£¬ÔòKsp(BaSO4)>Ksp(BaCO3) |
D£®µ±Î¶ÈÉý¸ßʱ£¬ÈõËá¡¢Èõ¼îµÄµçÀë³£Êý(Ka¡¢Kb)±ä´ó |
D
»¯Ñ§Æ½ºâ³£ÊýµÄ´óС½öÓëζÈÓйأ¬¶øÓëŨ¶È¡¢Ñ¹Ç¿µÈÎ޹أ¬A´í£»ÈõËáµÄµçÀë³£ÊýԽС˵Ã÷¸ÃËáËáÐÔÔ½Èõ£¬B´í£»ÈܶȻý³£ÊýKspԽСԽÈÝÒ×ÐγɳÁµí£¬C´í£»ÈõËá¡¢Èõ¼îµÄµçÀëÊÇÎüÈȹý³Ì£¬Òò´Ëµ±Î¶ÈÉý¸ßʱ£¬ÈõËá¡¢Èõ¼îµÄµçÀë³Ì¶ÈÔö´ó£¬ÔòKa¡¢Kb±ä´ó£¬DÕýÈ·¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿