²é¿´: 7652  |  »Ø¸´: 4
±¾Ìû²úÉú 1 ¸ö ²©Ñ§EPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÄäÃû

Óû§×¢Ïú (Ö°Òµ×÷¼Ò)


ÒÑÔÄ   ÉêÇ벩ѧEPI   »Ø¸´´ËÂ¥   ±à¼­   ɾ³ý   ²é¿´ÎÒµÄÖ÷Ò³

xianghighup

ľ³æ (ÕýʽдÊÖ)


tom820801(½ð±Ò+7): ¶¼¸øÄãÀ² ÐÂÄê¿ìÀÖ 2011-02-12 08:46:46
ÒýÓûØÌû:
Originally posted by tom820801 at 2010-12-17 14:24:53:
ÒÒËáÔÚ25¡æÊ±ÔÚË®ÖеÄpkÖµÊÇ4.76£¬ÄÇôÔÚpHֵΪ4.76µÄÒÒËáË®ÈÜÒºÖк¬ÓеÈÁ¿µÄ[HAc][Ac-],¼´[HAc]/[Ac-]=50/50¡£ÔÚpHֵΪ5.76£¨pk+1£©Ê±£¬ÈÜÒºÖÐ[HAc]/[Ac-]=10/90£¬ÔÚpHֵΪ6.72£¨pk+2£©Ê±£¬ ...

·´Õýѧϰ·ÖÎö»¯Ñ§µÄ»¯Ñ§·ÖÎö²¿·Ö£¬ÊéÉÏÄÇЩ¼ÆË㹫ʽ×Ô¼º¿Î϶¼ÍÆÒ»Ï£¨µÚÒ»²½¶¼µÃд³ö׼ȷµÄƽºâʽ£¬¶à¼¶Æ½ºâµÄÓйæÂÉ£¬×Ô¼º×¢ÒâϾÍÊÇ£©£¬¼ÓÉîÀí½â£¬ÕâÑùÎÞÂÛÅöµ½Ê²Ã´Ì⣬¶¼¿ÉÒÔ¾ÙÒ»·´ÈýÁË¡£
°¥£¬ÕæÀÛ°¡£¬ËµµÄ
5Â¥2010-12-18 23:14:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð
tom820801(½ð±Ò+3):лл 2010-12-19 09:25:10
pKa£­pH=log[A-]/[HA]
2Â¥2010-12-17 14:54:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÒýÓûØÌû:
Originally posted by mrzouhao at 2010-12-17 14:54:36:
pKa£­pH=log[A-]/[HA]

²»ÖªµÀÀ²

[ Last edited by YUE-jf on 2010-12-17 at 15:30 ]
3Â¥2010-12-17 15:20:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xianghighup

ľ³æ (ÕýʽдÊÖ)


tom820801(½ð±Ò+5, ²©Ñ§EPI+1):лл 2010-12-19 09:24:48
Ka=[H+]*[Ac-]/[HAc]
lgKa=lg[H+]+lg([Ac-]/[HAc])
lg([HAc]/[Ac-])=pKa-pH
[HAc]/[Ac-]=10exp(pKa-pH)
Òò´Ë£¬pH=5.76ʱ£¬[HAc]/[Ac-]=10exp(-1)=1/10£¬¶ø²»ÊÇ10/90£»
pH=6.72 OR 6.76£¿Ê±£¬ÀàËÆËã·¨¡£Èç¹ûÊÇ6..76£¬Ôò¼ÆËãֵΪ1/100£¬¶ø²»ÊÇ1/99¡£
pH=2.76ʱ£¬¼ÆËãֵΪ100¡£
4Â¥2010-12-18 23:07:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] Ϊʲô×ÊÖúÊý¸÷´ó¸ßУ¶¼´´Ð¸ߣ¬×Ô¼ºÉêÇëÔõô¾ÍÕâôÄÑ +10 Kittylucky 2026-08-27 10/500 2026-08-28 07:10 by sincosx
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +7 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 7/350 2026-08-27 18:14 by ˲ϢÓîÖæ
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +10 eulota 2026-08-26 10/500 2026-08-27 17:23 by lqllinqiaoli
[»ù½ðÉêÇë] Ôõô¿´Çà»ùÖÐÁËûÓа¡ +5 Ò¶¾Å΢ 2026-08-26 5/250 2026-08-27 10:35 by l_zh2008
[ÎÄѧ·¼²ÝÔ°] ÃÎÏë +3 myrtle 2026-08-26 3/150 2026-08-27 10:01 by angelyueyi
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»º¯ÆÀ·Ñµ½ÕË +22 ÑòÑü°å 2026-08-21 25/1250 2026-08-26 15:00 by zuocuiping
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +23 koalala 2026-08-24 26/1300 2026-08-26 14:29 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ³öÀ´ÁË +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ϵͳ½ø²»È¥ +4 yanglien 2026-08-26 5/250 2026-08-26 11:10 by wenfengw83
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[»ù½ðÉêÇë] ¹úºÏ¿É²éÁË +3 paperzjh 2026-08-26 3/150 2026-08-26 10:41 by LemmonTr
[»ù½ðÉêÇë] ½ñÌìÎñί»á¿ªÍêÁË£¬Ã÷Ìì³ö½á¹ûÂð +19 angus9576 2026-08-25 23/1150 2026-08-26 10:03 by zp519
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] Å£À´£¡Ã×À´£¡ÃæÀ´£¡ +8 beefly 2026-08-26 8/400 2026-08-26 08:37 by xuzhipiao
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ (½ð±Ò+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +6 chengyan1220 2026-08-23 6/300 2026-08-25 19:45 by zfd97
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û