²é¿´: 659  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

bobking67310

¾èÖú¹ó±ö (СÓÐÃûÆø)

[½»Á÷] Çë½Ì£ºpH=2.0µÄ´×Ëᣭ´×ËáÄÆ»º³åÈÜÒºÅäÖÆ·½·¨

ÇëÎÊ£ºpH=2.0µÄ´×Ëᣭ´×ËáÄÆ»º³åÈÜÒºÈçºÎÅäÖÆ£¿

[ Last edited by Сºì¶¹ on 2007-6-12 at 22:48 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xxССxx

ľ³æ (ÖøÃûдÊÖ)

¡ï
Сºì¶¹(½ð±Ò+1):¸Ðл²ÎÓë!
»º³åÈÜÒºµÄpHÒ»°ãÔÚpKaµÄÕý¸º1ÒÔÄÚ
Æ«Àë̫ԶÊÇûÓÐʵ¼ÊÒâÒåµÄ£¬¶øÇÒÒ²²»ÄÜÓÃpH=pKa-lg(CËá/CÑÎ)µÄ¹«Ê½À´¼ÆËã
pH=2.0µÄ»º³åÈÜÒºÒ»°ãÖ±½Ó¼ÓÑÎËáµ÷pH¾Í¹»ÁË¡£Ò²¿ÉÒÔÓÃÁ×Ëá»ò¾ÆÊ¯Ëá¼ÓNaOHµ÷½ÚÖÁpH=2.0
4Â¥2007-05-19 12:54:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

lzh7513

½ð³æ (СÓÐÃûÆø)

¡ï ¡ï
Сºì¶¹(½ð±Ò+2):¸Ðл²ÎÓ룡
pH=pKa-lg(CËá/CÑÎ)
¶Ô´×Ëᣭ´×ËáÄÆ»º³åÈÜÒº£¬PKa=4.74
¼´2=4.74-lg(CËá/CÑÎ)
lg(CËá/CÑÎ)=2.74
CËá/CÑÎ=550
¼´ÅäÖÆÊ±±£Ö¤´×ËáµÄĦ¶ûŨ¶ÈÊÇ´×ËáįĦ¶ûŨ¶ÈµÄ550±¶£¡
2Â¥2007-05-19 00:15:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 291 Çóµ÷¼Á +3 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 3/150 2026-03-22 14:26 by ColorlessPI
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 ºôºô£¿~+123456 2026-03-21 3/150 2026-03-21 20:04 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
[¿¼ÑÐ] 298Çóµ÷¼Á +4 Éϰ¶6666@ 2026-03-20 4/200 2026-03-21 17:14 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-20 7/350 2026-03-21 16:36 by barlinike
[¿¼ÑÐ] Çóµ÷¼Á +3 .m.. 2026-03-21 4/200 2026-03-21 16:25 by barlinike
[¿¼ÑÐ] 085601µ÷¼Á 358·Ö +3 zzzzggh 2026-03-20 4/200 2026-03-21 10:21 by luoyongfeng
[¿¼ÑÐ] Çóµ÷¼Á +3 Ma_xt 2026-03-17 3/150 2026-03-21 02:05 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©Àí¹¤´óѧ085701×ÊÔ´Óë»·¾³302·ÖÇóµ÷¼Á +4 ¿ûè÷ÎÀ¶Ó 2026-03-18 6/300 2026-03-20 23:02 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸:ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +4 @taotao 2026-03-19 4/200 2026-03-20 22:14 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ289·Ö +3 @taotao 2026-03-19 3/150 2026-03-20 21:34 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
[¿¼ÑÐ] 086500 325 Çóµ÷¼Á +3 Áì´øÐ¡ÐÜ 2026-03-19 3/150 2026-03-20 18:38 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 08¹¤Ñ§µ÷¼Á +5 Óû§573181 2026-03-20 5/250 2026-03-20 15:47 by xia_2003
[¿¼ÑÐ] Ò»Ö¾Ô¸¸£´ó288Óлú»¯Ñ§£¬Çóµ÷¼Á +3 Сľ³æ200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] 344Çóµ÷¼Á +6 knight344 2026-03-16 7/350 2026-03-18 20:13 by walc
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] 293Çóµ÷¼Á +11 zjlµÄºÅ 2026-03-16 16/800 2026-03-18 08:10 by zhukairuo
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û