±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1013  |  »Ø¸´: 2

kinggongok

гæ (³õÈëÎÄ̳)

[ÇóÖú] PH=6.0µÄÁ×Ëá¶þÇâ¼ØÈÜÒºÅäÖÆ ÒÑÓÐ1È˲ÎÓë

ÎҲⶨ8-OHdg£¬ÐèÒªPH=6.0µÄ0.1m/lµÄÁ×Ëá¶þÇâ¼Ø×öÁ÷¶¯Ïà
·½·¨ÊdzÆÈ¡13.6gÁ×Ëá¶þÇâ¼Ø¶¨Èݵ½1l´¿Ë®ÖУ¬È»ºóÓÃʲôµ÷½ÚPH?
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guaihaizi

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Á×Ëá¶þÇâ¼Ø¨CÇâÑõ»¯ÄÆ»º³åÒº£¨0.05M£©
XºÁÉý0.2M K2PO4 + YºÁÉý0.2N NaOH¼ÓˮϡÊÍÖÁ29ºÁÉý
PH=6.0;X=0.5ml;Y=0.57ml
2Â¥2014-10-09 16:59:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kinggongok

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by guaihaizi at 2014-10-09 16:59:01
Á×Ëá¶þÇâ¼Ø¨CÇâÑõ»¯ÄÆ»º³åÒº£¨0.05M£©
XºÁÉý0.2M K2PO4 + YºÁÉý0.2N NaOH¼ÓˮϡÊÍÖÁ29ºÁÉý
PH=6.0;X=0.5ml;Y=0.57ml

ÄÜ·ñÏê½â£¬ÎÒ»¹ÕæÃ»¿´¶®¡£
ÎÒÒªµÄÁ×Ëá¶þÇâ¼ØÊÇ0.1mol/LµÄ£¬ÇâÑõ»¯ÄÆÒ²ÊǹÌÌå·ÛÄ©µÄ¡£
3Â¥2014-10-09 17:15:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ kinggongok µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 327Çóµ÷¼Á +4 С¿¨²»¿¨. 2026-03-29 4/200 2026-03-30 06:15 by wxiongid
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¹¤Òµ´óѧ£¬324·ÖÇóµ÷¼Á +6 Áã°Ë# 2026-03-28 6/300 2026-03-29 21:20 by nanaliuyun
[¿¼ÑÐ] 297Çóµ÷¼Á +11 ÌïºéÓÐ 2026-03-26 11/550 2026-03-29 13:14 by peike
[¿¼ÑÐ] 343Çóµ÷¼Á +6 °®î¿°í 2026-03-29 6/300 2026-03-29 12:00 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 356Çóµ÷¼Á +4 gysy?s?a 2026-03-28 4/200 2026-03-29 10:32 by ÌÆãå¶ù
[¿¼ÑÐ] 0856²ÄÁÏ»¯¹¤µ÷¼Á ×Ü·Ö330 +14 zhubinhao 2026-03-27 14/700 2026-03-29 10:01 by Sjndkwm
[¿¼ÑÐ] 322Çóµ÷¼Á +7 ËÎÃ÷ÐÀ 2026-03-27 7/350 2026-03-28 21:27 by sanrepian
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +10 722865 2026-03-23 10/500 2026-03-27 15:51 by Plutoqq
[¿¼ÑÐ] 279 ·Ö Çóµ÷¼Á +4 ˯¸öºÃ¾õ_16 2026-03-24 4/200 2026-03-27 15:05 by ×íÔÚ·çÀï
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] 315µ÷¼Á +4 0860Çóµ÷¼Á 2026-03-26 5/250 2026-03-27 11:23 by wangjy2002
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +3 ´Þwj 2026-03-26 3/150 2026-03-26 19:57 by nihaoar
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á +3 Dendel 2026-03-23 6/300 2026-03-26 17:51 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ339²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 ½­ÍùÂôÓã 2026-03-26 3/150 2026-03-26 09:42 by ÍõСǷi
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] »úеѧ˶×Ü·Ö317Çóµ÷¼Á£¡£¡£¡£¡ +4 Acaciad 2026-03-25 4/200 2026-03-25 19:59 by hanserlol
[¿¼ÑÐ] ¿¼ÑÐÒ»Ö¾Ô¸ËÕÖÝ´óѧ³õʼ315£¨Ó¢Ò»£©Çóµ÷¼Á +3 sbdksD 2026-03-24 4/200 2026-03-25 18:16 by xcjcqu
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] »¯¹¤×¨Ë¶Çóµ÷¼Á +3 questionÍì·ç 2026-03-24 3/150 2026-03-24 18:48 by jhhcooi
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û