ÌâÄ¿ÄÚÈÝ
ÏÂÁÐÈÜÒºÖÐ΢Á£µÄÎïÖʵÄÁ¿Å¨¶È¹Øϵһ¶¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®O.1mol/L NH4ClÈÜÒºÓë0.05mol/L NaOHÈÜÒºµÈÌå»ý»ìºÏºóËùµÃµÄ¼îÐÔÈÜÒºÖУºc£¨Cl-£©£¾c£¨Na+£©£¾c£¨NH4+£©£¾c£¨OH-£©£¾c£¨H+£© |
B£®µÈÎïÖʵÄÁ¿µÄNaClO¡¢NaHCO3»ìºÏÈÜÒºÖÐc£¨HClO£©+c£¨ClO-£©=c£¨HCO3-£©+c£¨H2CO3£©+c£¨CO32-£© |
C£®pH=2µÄHAÈÜÒºÓëpH=12µÄMOHÈÜÒºµÈÌå»ý»ìºÏ£ºc£¨M+£©=c£¨A-£©£¾c£¨OH-£©=c£¨H+£© |
D£®Ä³¶þÔªÈõËáµÄËáʽÑÎNaHAÈÜÒº£ºc£¨Na+£©+c£¨H+£©=c£¨OH-£©+c£¨HA-£©+c£¨A2-£© |
A¡¢O£®lmol/LNH4C1ÈÜÒºÓë0.05mol/LNaOHÈÜÒºµÈÌå»ý»ìºÏºóËùµÃµÄÈÜÒº×é³ÉΪ£ºÂÈ»¯ÄÆ¡¢Ò»Ë®ºÏ°±ÒÔ¼°Ê£ÓàµÄÂÈ»¯ï§£¬ÇÒÈýÕßµÄŨ¶ÈÏàµÈ£¬ËùµÃµÄ¼îÐÔÈÜÒºÖУ¬c£¨Na+£©£¾c£¨NH4+£©£¾c£¨Cl-£©£¾c£¨OH-£©£¾c£¨H+£©£¬¹ÊA´íÎó£»
B¡¢µÈÎïÖʵÄÁ¿µÄNaClO¡¢NaHCO3»ìºÏÈÜÒºÖУ¬´ÎÂÈËá¸ùµÄ´æÔÚÐÎ̬ÊÇ´ÎÂÈËá¸ùºÍ´ÎÂÈËᣬ̼ËáÇâ¸ùÀë×ӵĴæÔÚÐÎ̬ÊÇ̼Ëᣬ̼Ëá¸ùÒÔ¼°Ì¼ËáÇâ¸ù£¬¸ù¾ÝÎïÁÏÊغ㣬Ôòc£¨HClO£©+c£¨ClO-£©=c£¨HCO3-£©+c£¨H2CO3£©+c£¨CO32-£©£¬¹ÊBÕýÈ·£»
C¡¢Èç¹ûHAÊÇÇ¿ËᣬMOHÊÇÇ¿¼î£¬ÔòpH=2µÄHAÈÜÒºÓëpH=12µÄMOHÈÜÒºµÈÌå»ý»ìºÏºóc£¨M+£©=c£¨A-£©£¾c£¨OH-£©=c£¨H+£©£¬µ«ÊDz»ÊÇÇ¿ËáºÍÇ¿¼î²»ÄÜÈ·¶¨£¬¹ÊC´íÎó£»
D¡¢¶þÔªÈõËáµÄËáʽÑÎNaHAÈÜÒºÖдæÔÚµçºÉÊغ㣺c£¨Na+£©+c£¨H+£©=c£¨OH-£©+c£¨HA-£©+2c£¨A2-£©£¬¹ÊD´íÎó£®
¹ÊÑ¡B£®
B¡¢µÈÎïÖʵÄÁ¿µÄNaClO¡¢NaHCO3»ìºÏÈÜÒºÖУ¬´ÎÂÈËá¸ùµÄ´æÔÚÐÎ̬ÊÇ´ÎÂÈËá¸ùºÍ´ÎÂÈËᣬ̼ËáÇâ¸ùÀë×ӵĴæÔÚÐÎ̬ÊÇ̼Ëᣬ̼Ëá¸ùÒÔ¼°Ì¼ËáÇâ¸ù£¬¸ù¾ÝÎïÁÏÊغ㣬Ôòc£¨HClO£©+c£¨ClO-£©=c£¨HCO3-£©+c£¨H2CO3£©+c£¨CO32-£©£¬¹ÊBÕýÈ·£»
C¡¢Èç¹ûHAÊÇÇ¿ËᣬMOHÊÇÇ¿¼î£¬ÔòpH=2µÄHAÈÜÒºÓëpH=12µÄMOHÈÜÒºµÈÌå»ý»ìºÏºóc£¨M+£©=c£¨A-£©£¾c£¨OH-£©=c£¨H+£©£¬µ«ÊDz»ÊÇÇ¿ËáºÍÇ¿¼î²»ÄÜÈ·¶¨£¬¹ÊC´íÎó£»
D¡¢¶þÔªÈõËáµÄËáʽÑÎNaHAÈÜÒºÖдæÔÚµçºÉÊغ㣺c£¨Na+£©+c£¨H+£©=c£¨OH-£©+c£¨HA-£©+2c£¨A2-£©£¬¹ÊD´íÎó£®
¹ÊÑ¡B£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿