²é¿´: 5784  |  »Ø¸´: 10
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ºÜÎÞÁÄß¹

гæ (³õÈëÎÄ̳)

[ÇóÖú] pH=6.8µÄÁ×ËáÑλº³åÒº£¨ÓÃÁ×Ëá¶þÇâ¼ØºÍÁ×ËáÇâ¶þ¼Ø£©ÔõôÅäÖã¿

pH=6.8µÄÁ×ËáÑλº³åÒº£¨ÓÃÁ×Ëá¶þÇâ¼ØºÍÁ×ËáÇâ¶þ¼Ø£©ÔõôÅäÖ𡣿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ºÜÎÞÁÄß¹

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by hsd3521 at 2012-04-30 07:53:03:
Á×Ëá¶þÇâ¼Ø¨CÇâÑõ»¯ÄÆ»º³åÒº£¨0.05M£©
XºÁÉý0.2M K2PO4 + YºÁÉý0.2N NaOH¼ÓˮϡÊÍÖÁ29ºÁÉý
PH 6.0 Ϊ20¡æÊ± X 5 ml Y 0.570 ml

´óÏÀ£¬0.06MµÄÁ×ËáÑλº³åÒº£¬ËûµÄÎïÖʵÄÁ¿ÊÇÔõôȷ¶¨µÄ£¿
7Â¥2012-05-01 15:05:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 11 ¸ö»Ø´ð

liuyufei3087

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ºÜÎÞÁÄß¹: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú, Âé·³ÁËÄãºÜ¶à£¬½ð±Ò¸øÄã°É 2012-05-03 12:54:24
ÅäŨ¶ÈÒ»ÑùµÄ£¬È»ºóÏ໥¼Ó£¬¼Óµ½6.8¾Í³ÉÁË
2Â¥2012-04-27 13:15:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shihao611

½û³æ (ÖªÃû×÷¼Ò)

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ê÷Ê÷8013: ½ð±Ò+1, ºÇºÇ£¬ÐÁ¿àÁË¡£°æÖ÷½±Àø¡£ 2012-04-27 21:34:47
±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2012-04-27 13:34:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ºÜÎÞÁÄß¹

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by liuyufei3087 at 2012-04-27 13:15:25:
ÅäŨ¶ÈÒ»ÑùµÄ£¬È»ºóÏ໥¼Ó£¬¼Óµ½6.8¾Í³ÉÁË

ÓÐûÓÐʲô¼ÆË㹫ʽ֮ÀàµÄ£¿
4Â¥2012-04-29 15:58:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤304ÇóBÇøµ÷¼Á +7 Çñgl 2026-03-11 8/400 2026-03-17 09:36 by ŬÁ¦Ñ§Ï°×¬²ÊÀñ
[¿¼ÑÐ] 293Çóµ÷¼Á +4 ÊÀ½çÊ׸» 2026-03-11 4/200 2026-03-17 09:23 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] 08¹¤¿Æ 320×Ü·Ö Çóµ÷¼Á +3 À滨çóÍí·ç 2026-03-17 3/150 2026-03-17 09:04 by êÏêϵ÷¼ÁÉϰ¶
[¿¼ÑÐ] 271Çóµ÷¼Á +11 ÉúÈçÏÄ»¨¡­ 2026-03-11 13/650 2026-03-17 09:02 by ÎíÉ¢ºóÏàÓölc
[¿¼ÑÐ] 286Çóµ÷¼Á +3 lemonzzn 2026-03-16 5/250 2026-03-16 20:43 by lemonzzn
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑо­Àú +7 êØÎõÙâ 2026-03-15 7/350 2026-03-16 16:34 by houyaoxu
[¿¼ÑÐ] 283Çóµ÷¼Á +10 С¥¡£ 2026-03-12 14/700 2026-03-16 16:08 by 13811244083
[¿¼²©] ¶«»ªÀí¹¤´óѧ»¯²Äרҵ26½ì˶ʿ²©Ê¿ÉêÇë +6 zlingli 2026-03-13 6/300 2026-03-15 20:00 by ryzcf
[¿¼ÑÐ] 294Çóµ÷¼Á +3 Zys010410@ 2026-03-13 4/200 2026-03-15 10:59 by zhq0425
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 ºôºô£¿~+123456 2026-03-14 3/150 2026-03-14 16:53 by WTUChen
[¿¼ÑÐ] ²ÄÁÏ080500µ÷¼ÁÇóÊÕÁô +3 Ò»¿Åmeteor 2026-03-13 3/150 2026-03-14 10:54 by peike
[¿¼ÑÐ] 321Çóµ÷¼Á +3 CUcat 2026-03-10 3/150 2026-03-14 00:25 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖпÆÔº£¬»¯Ñ§·½Ïò£¬295Çóµ÷¼Á +4 Ò»Ñõ¶þµª 2026-03-11 4/200 2026-03-13 22:35 by JourneyLucky
[¿¼ÑÐ] 314Çóµ÷¼Á +7 ÎÞи¿É»÷µÄ¾ÞÈË 2026-03-12 7/350 2026-03-13 15:40 by JourneyLucky
[ÂÛÎÄͶ¸å] Ͷ¸åÎÊÌâ 5+4 Ðǹâ²ÓÀÃxt 2026-03-12 6/300 2026-03-13 14:17 by god_tian
[¿¼ÑÐ] 268Çóµ÷¼Á +4 ºÃÔËÁ¬Ã಻¾ø 2026-03-12 4/200 2026-03-13 10:45 by hyswxzs
[¿¼ÑÐ] 0856»¯¹¤Ô­Àí +6 z2839474511 2026-03-10 6/300 2026-03-13 10:41 by houyaoxu
[¿¼²©] ¶Á²©ÉêÇë +5 ¸Ðdd 2026-03-10 7/350 2026-03-11 17:02 by QGZDSYS
[¿¼ÑÐ] ´óÁ¬´óѧ»¯Ñ§×¨ÒµÑо¿Éúµ÷¼Á +3 ç÷¾Ã. 2026-03-10 8/400 2026-03-11 10:02 by ç÷¾Ã.
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û