ÌâÄ¿ÄÚÈÝ

´×ËáÊÇÖØÒªµÄÒ»ÔªËᣬÔÚÓлúºÍÎÞ»ú·´Ó¦Öж¼ÓÐÓ¦Óã®
£¨1£©ÔÚõ¥»¯·´Ó¦µÄʵÑéÖУ¬ÒÒËá¡¢ÒÒ´¼µÄÓÃÁ¿ºÍƽºâʱÒÒËáÒÒõ¥µÄÉú³ÉÁ¿ÈçÏÂ±í£º
·´Ó¦ ÒÒ´¼£¨mol£© ÒÒËᣨmol£© ÒÒõ¥ÒÒõ¥£¨mol£©
1 2 2 1.33
2 3 2 1.57
3 4 2 x
4 5 2 1.76
ÓɱíÖÐÊý¾ÝÍƲ⣬ÊýÖµxµÄ·¶Î§ÊÇ______£®
£¨2£©ÏÖÓÐ25¡æʱ£¬pH=3µÄ´×ËᣮÇë»Ø´ðÒÔÏÂÎÊÌ⣺
¢ÙÈôÏò´×ËáÖмÓÈëÉÙÁ¿´×ËáÄƹÌÌ壬´ËʱÈÜÒºÖÐ
c(H+)
c(CH3COOH)
£¬½«______£¨Ìî¡°Ôö´ó¡±¡¢¡°¼õС¡±»ò¡°²»±ä¡±£©£»
¢ÚÈôÏò´×ËáÖмÓÈëÏ¡NaOHÈÜÒº£¬Ê¹ÆäÇ¡ºÃÍêÈ«·´Ó¦£¬ËùµÃÈÜÒºµÄpH______7£¨Ìî¡°£¾¡±¡¢¡°£¼¡±»ò¡°=¡±£©£»
¢ÛÈôÏò´×ËáÖмÓÈëpH=11µÄNaOHÈÜÒº£¬ÇÒ¶þÕßµÄÌå»ý±ÈΪ1£º1£¬ÔòËùµÃÈÜÒºÖи÷Àë×ÓµÄÎïÖʵÄÁ¿Å¨¶ÈÓÉ´óµ½Ð¡µÄ˳ÐòÊÇ
______£®
£¨1£©ÒòÔÚÒÒËáµÄÎïÖʵÄÁ¿ÏàͬÌõ¼þÏ£¬Ôö¼ÓÒÒ´¼µÄÎïÖʵÄÁ¿Æ½ºâÏòÓÒÒƶ¯£¬ÒÒËáÒÒõ¥µÄÎïÖʵÄÁ¿Ôö¼Ó£¬¼õÉÙÒÒ´¼µÄÎïÖʵÄÁ¿Æ½ºâÏò×óÒƶ¯£¬ÒÒËáÒÒõ¥µÄÎïÖʵÄÁ¿¼õÉÙ£¬ËùÒÔ1.57£¼X£¼1.76£¬¹Ê´ð°¸Îª£º1.57£¼X£¼1.76£»
£¨2£©¢ÙÒò´×ËáÄƹÌÌåµçÀë²úÉúCH3COO-£¬c£¨CH3COO-£©Ôö´ó£¬Ê¹µÄƽºâCH3COOH?CH3COO-+H+ÄæÏòÒƶ¯£¬C£¨H+£©¼õС£¬
C£¨CH3COOH£©Ôö´ó£¬ËùÒÔ
C(H+)
C(CH3COOH)
¼õС£¬¹Ê´ð°¸Îª£º¼õС£»
¢ÚÏò´×ËáÖмÓÈëÏ¡NaOHÈÜÒº£¬Ê¹ÆäÇ¡ºÃÍêÈ«·´Ó¦£¬Éú³ÉÁË´×ËáÄÆ£¬´×ËáÄÆË®½â³Ê¼îÐÔ£¬¹Ê´ð°¸Îª£º£¾£»
¢Û´×Ëá¹ýÁ¿£¬ÈÜÒºÖеijɷÖΪ´×ËáºÍ´×ËáÄÆ£¬Òò´×ËáµÄµçÀë³Ì¶È´óÓÚ´×ËáÄƵÄË®½â³Ì¶È£¬ËùÒÔc£¨CH3COO-£©£¾
c£¨Na+£©£¾c£¨H+£©£¾c£¨OH-£©£¬¹Ê´ð°¸Îª£ºc£¨CH3COO-£©£¾c£¨Na+£©£¾c£¨H+£©£¾c£¨OH-£©£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø