ÌâÄ¿ÄÚÈÝ
£¨2013?¼ÃÄÏһģ£©ÏÂÁÐʵÑé²Ù×÷¼°ÏÖÏóÄܹ»´ïµ½¶ÔӦʵÑéÄ¿µÄÊÇ£¨¡¡¡¡£©
|
·ÖÎö£ºA£®¶þÑõ»¯ÁòʹƷºìÍÊÉ«ÊÇ»¯ºÏÉú³É½ÏÎȶ¨µÄÎÞÉ«ÎïÖÊ£¬ÊÜÈÈÒ׷ֽ⣻
B£®c£¨Ba2+£©c£¨CO32-£©£¾Ksp£¨BaCO3£©£¬ÓгÁµíÉú³É£»
C£®µÈŨ¶ÈµÄHClÓëCH3COOH£¬HClÍêÈ«µçÀ룬pHС£»
D£®Ì¼ÓëŨÁòËá·´Ó¦Éú³É¶þÑõ»¯Ì¼¡¢¶þÑõ»¯Áò¾ùÄÜʹʯ»ÒË®±ä»ë×Ç£®
B£®c£¨Ba2+£©c£¨CO32-£©£¾Ksp£¨BaCO3£©£¬ÓгÁµíÉú³É£»
C£®µÈŨ¶ÈµÄHClÓëCH3COOH£¬HClÍêÈ«µçÀ룬pHС£»
D£®Ì¼ÓëŨÁòËá·´Ó¦Éú³É¶þÑõ»¯Ì¼¡¢¶þÑõ»¯Áò¾ùÄÜʹʯ»ÒË®±ä»ë×Ç£®
½â´ð£º½â£ºA£®¶þÑõ»¯ÁòʹƷºìÍÊÉ«ÊÇ»¯ºÏÉú³É½ÏÎȶ¨µÄÎÞÉ«ÎïÖÊ£¬ÊÜÈÈÒ׷ֽ⣬¸ÃʵÑé˵Ã÷¶þÑõ»¯ÁòµÄƯ°×ÊÇÔÝʱÐԵģ¬¹ÊA´íÎó£»
B£®³£ÎÂÏ£¬Ïò±¥ºÍNa2CO3ÈÜÒºÖмÓÉÙÁ¿BaSO4·ÛÄ©£¬c£¨Ba2+£©c£¨CO32-£©£¾Ksp£¨BaCO3£©£¬ÓгÁµíÉú³É£¬²»ÄÜ˵Ã÷Ksp£¨BaCO3£©¡¢Ksp£¨BaSO4£©µÄ¹Øϵ£¬¹ÊB´íÎó£»
C£®µÈŨ¶ÈµÄHClÓëCH3COOH£¬HClÍêÈ«µçÀ룬µçÀë³öµÄÇâÀë×ÓŨ¶È´ó£¬ËùÒÔpHС£¬¹ÊCÕýÈ·£»
D£®Ì¼ÓëŨÁòËá·´Ó¦Éú³É¶þÑõ»¯Ì¼¡¢¶þÑõ»¯Áò¾ùÄÜʹʯ»ÒË®±ä»ë×Ç£¬Ôò²»ÄÜ˵Ã÷¶þÑõ»¯Ì¼µÄ´æÔÚ£¬Ó¦ÏȼìÑé¶þÑõ»¯Áò²¢Åųö¶þÑõ»¯ÁòµÄ¸ÉÈÅ£¬¹ÊD´íÎó£»
¹ÊÑ¡C£®
B£®³£ÎÂÏ£¬Ïò±¥ºÍNa2CO3ÈÜÒºÖмÓÉÙÁ¿BaSO4·ÛÄ©£¬c£¨Ba2+£©c£¨CO32-£©£¾Ksp£¨BaCO3£©£¬ÓгÁµíÉú³É£¬²»ÄÜ˵Ã÷Ksp£¨BaCO3£©¡¢Ksp£¨BaSO4£©µÄ¹Øϵ£¬¹ÊB´íÎó£»
C£®µÈŨ¶ÈµÄHClÓëCH3COOH£¬HClÍêÈ«µçÀ룬µçÀë³öµÄÇâÀë×ÓŨ¶È´ó£¬ËùÒÔpHС£¬¹ÊCÕýÈ·£»
D£®Ì¼ÓëŨÁòËá·´Ó¦Éú³É¶þÑõ»¯Ì¼¡¢¶þÑõ»¯Áò¾ùÄÜʹʯ»ÒË®±ä»ë×Ç£¬Ôò²»ÄÜ˵Ã÷¶þÑõ»¯Ì¼µÄ´æÔÚ£¬Ó¦ÏȼìÑé¶þÑõ»¯Áò²¢Åųö¶þÑõ»¯ÁòµÄ¸ÉÈÅ£¬¹ÊD´íÎó£»
¹ÊÑ¡C£®
µãÆÀ£º±¾Ì⿼²é»¯Ñ§ÊµÑé·½°¸µÄÆÀ¼Û£¬É漰Ư°×ÐÔ¡¢³ÁµíµÄÉú³É¡¢pHµÄ±È½Ï¡¢ÆøÌåµÄ¼ìÑé¼°ÎïÖʵÄÐÔÖÊ£¬×¢ÖØ»ù´¡ÖªÊ¶µÄ¿¼²é£¬Ñ¡ÏîBΪ½â´ðµÄÄѵ㣬ÌâÄ¿ÄѶÈÖеȣ®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿