±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 4396  |  »Ø¸´: 8

krystal1110

гæ (СÓÐÃûÆø)

[ÇóÖú] 4MµÄNaAc-HAc»º³åÈÜÒºÔõôÅäÖÆ£¿ ÒÑÓÐ2È˲ÎÓë

ÒªÇóÅäÖÆ4MµÄNaAc-HAc»º³åÈÜÒº£¬ÇÒpHΪ4.75£¬×ÜÌå»ý100ml£¬Ó¦¸ÃÔõôÅäÖÃÄØ£¿´×ËáÄÆ£¬´×Ëá¸÷0.2molÅäÖÃÂ𣿻¹ÊÇÏȼÓÁË´×ËáÄÆ£¬ÔÙÓô×ËὫpHµ÷µ½4.75ÄØ£¿Çó¸æËß¾ßÌå·½·¨
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ŬÁ¦£¬ÈÏÕæ£¬ÈÌÄÍ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

СľÈý³æ

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
NaAC-3H2O6.5gÈÜÓÚÊÊÁ¿Ë®ÖУ¬¼Ó6NHAc13.6ml£¬Ï¡ÊÍÖÁI00ml¡££¨PH²»ÊÇ̫׼£©

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
2Â¥2014-08-10 13:33:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liwentao2010

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ɽÌÎ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
krystal1110: ½ð±Ò+2, ¡ïÓаïÖú 2014-08-11 09:46:05
Ò»°ãÐÔµÄ˼·¾ÍÊǸù¾ÝAC-µÄË®½â³£ÊýÓëAC¸ú×ÜÁ¿¡¢pHµÄ¹ØÏµ£¬Áз½³Ì£¬¼ÆËã³ö¶þÕßµÄÓÃÁ¿¡£ÈôÊDz»ÒªÇóÊ®·Ö¾«×¼£¬Â¥Ö÷¿ÉÒÔÏÈÅäÖÃ100ml 4M HAC£¬ÔÙÅäÖøßŨ¶ÈNaOH£¬µ÷½ÚpHÖÁ4.75£¬¸Ã²¿·ÖÌå»ýºöÂÔ¡£×¢ÒâǧÍò²»Òª¼Ó¹ýÁ¿¡£
¼ÓÓÍ£¡
3Â¥2014-08-10 14:04:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

krystal1110

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by liwentao2010 at 2014-08-10 14:04:38
Ò»°ãÐÔµÄ˼·¾ÍÊǸù¾ÝAC-µÄË®½â³£ÊýÓëAC¸ú×ÜÁ¿¡¢pHµÄ¹ØÏµ£¬Áз½³Ì£¬¼ÆËã³ö¶þÕßµÄÓÃÁ¿¡£ÈôÊDz»ÒªÇóÊ®·Ö¾«×¼£¬Â¥Ö÷¿ÉÒÔÏÈÅäÖÃ100ml 4M HAC£¬ÔÙÅäÖøßŨ¶ÈNaOH£¬µ÷½ÚpHÖÁ4.75£¬¸Ã²¿·ÖÌå»ýºöÂÔ¡£×¢ÒâǧÍò²»Òª¼Ó¹ýÁ¿¡£

¿ÉÒÔÏÈÅäÖÃ4MµÄNaAc£¬ÔÙÓÃHAcµ÷pHÖÁ4.75£¬×îºó¼ÓË®ÖÁ100mlÂð£¿
ŬÁ¦£¬ÈÏÕæ£¬ÈÌÄÍ
4Â¥2014-08-10 16:01:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liwentao2010

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ɽÌÎ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
4Â¥: Originally posted by krystal1110 at 2014-08-10 16:01:42
¿ÉÒÔÏÈÅäÖÃ4MµÄNaAc£¬ÔÙÓÃHAcµ÷pHÖÁ4.75£¬×îºó¼ÓË®ÖÁ100mlÂð£¿...

4MÓ¦¸ÃÊÇÖ¸Ac+HAcµÄ×ܺͣ¬Æä´ÎÏȵ÷ºÃpHÔÙÏ¡ÊÍÖÁ100ml£¬pH»á±ä»¯£¬Ê§È¥ÒâÒå
¼ÓÓÍ£¡
5Â¥2014-08-10 16:13:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

krystal1110

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by liwentao2010 at 2014-08-10 16:13:41
4MÓ¦¸ÃÊÇÖ¸Ac+HAcµÄ×ܺͣ¬Æä´ÎÏȵ÷ºÃpHÔÙÏ¡ÊÍÖÁ100ml£¬pH»á±ä»¯£¬Ê§È¥ÒâÒå...

֮ǰ¼ÓÁËÊÊÁ¿Ë®ÈܽâNaAc£¬ºóÃæ¼ÓË®²¹×ãµÄ»°£¬¼Ó¼ÓÉÏËü±¾ÉíÒ²ÊÇ»º³åÈÜÒº£¬ËáÐԱ仯ºÜС£¬¼¸ºõ²»±äµÄ°É£¬4Mµ½µ×Ö¸µÄÊÇÓÎÀëAc-»¹ÊÇËùÓк¬AcµÄ°¡£¿
ŬÁ¦£¬ÈÏÕæ£¬ÈÌÄÍ
6Â¥2014-08-10 17:06:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liwentao2010

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ɽÌÎ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡ï ¡ï ¡ï
krystal1110(·ÑÒ¦ÓÀ·Ò´ú·¢): ½ð±Ò+3 2014-08-10 21:53:52
ÒýÓûØÌû:
6Â¥: Originally posted by krystal1110 at 2014-08-10 17:06:02
֮ǰ¼ÓÁËÊÊÁ¿Ë®ÈܽâNaAc£¬ºóÃæ¼ÓË®²¹×ãµÄ»°£¬¼Ó¼ÓÉÏËü±¾ÉíÒ²ÊÇ»º³åÈÜÒº£¬ËáÐԱ仯ºÜС£¬¼¸ºõ²»±äµÄ°É£¬4Mµ½µ×Ö¸µÄÊÇÓÎÀëAc-»¹ÊÇËùÓк¬AcµÄ°¡£¿...

Âú×ãÒªÇó¾ÍÐУ¬Ó¦¸ÃÊÇËùº¬AC
¼ÓÓÍ£¡
7Â¥2014-08-10 18:02:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

krystal1110

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by liwentao2010 at 2014-08-10 18:02:05
Âú×ãÒªÇó¾ÍÐУ¬Ó¦¸ÃÊÇËùº¬AC...

¾ÍÊÇÎÒËãºÃHAcºÍNaAcº¬Á¿ºó£¬¼ÓË®ÖÁ100mlºó£¬ÈôpHÆ«µÍÁË£¬¾Í×îºó¼Ó¼îµ÷»ØÀ´Êǰɣ¿
ŬÁ¦£¬ÈÏÕæ£¬ÈÌÄÍ
8Â¥2014-08-10 20:26:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liwentao2010

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ɽÌÎ

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

ÒýÓûØÌû:
8Â¥: Originally posted by krystal1110 at 2014-08-10 20:26:39
¾ÍÊÇÎÒËãºÃHAcºÍNaAcº¬Á¿ºó£¬¼ÓË®ÖÁ100mlºó£¬ÈôpHÆ«µÍÁË£¬¾Í×îºó¼Ó¼îµ÷»ØÀ´Êǰɣ¿...

right
¼ÓÓÍ£¡
9Â¥2014-08-11 09:50:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ krystal1110 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂÎ÷ʦ·¶´óѧÉúÎïѧ317·Ö +4 1563ÈÕ¡£ 2026-04-02 4/200 2026-04-02 22:46 by liveagain126
[¿¼ÑÐ] 260Çóµ÷¼Á +6 ÖìÜÆÁÕ 2026-04-02 6/300 2026-04-02 20:27 by 6781022
[¿¼ÑÐ] 321Çóµ÷¼Á +12 y-yh 2026-04-01 14/700 2026-04-02 19:34 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] Çóµ÷¼Á +7 Aniyaio 2026-04-02 7/350 2026-04-02 16:42 by zzsw+
[¿¼ÑÐ] 275ѧ˶081000·þ´Óµ÷¼Áµ½ÆäËûרҵ£¬±£²»×¡±¾×¨ÒµÁË +7 һֻССˮţ 2026-04-02 8/400 2026-04-02 14:23 by alice-2022
[¿¼ÑÐ] 290Çóµ÷¼Á085701 +3 1314Åõ»¨ 2026-04-02 3/150 2026-04-02 13:34 by Ecowxq666£¡
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +10 ÔÂÔÂÄñľ 2026-04-01 10/500 2026-04-02 12:57 by wxiongid
[¿¼ÑÐ] 314Çóµ÷¼Á +11 1xiaojun23 2026-03-31 12/600 2026-04-02 12:31 by 1xiaojun23
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +11 @taotao 2026-03-29 11/550 2026-04-02 10:04 by realme321
[¿¼ÑÐ] Ò»Ö¾Ô¸ÏÃÃÅ´óѧ»¯Ñ§¹¤³Ì£¨×¨Ë¶£©-Êý¶þÓ¢¶þ406·Ö-Çóµ÷¼Á +5 Ïô󻯹¤ 2026-04-01 5/250 2026-04-02 10:03 by jp9609
[¿¼ÑÐ] ¡¾Çóµ÷¼Á¡¿ÐÂÄÜÔ´²ÄÁϱ¾¿Æ£¬Ò»Ö¾Ô¸211£¬³õÊÔ321 +6 Çóµ÷¼ÁѧУ£¬ 2026-04-02 6/300 2026-04-02 09:41 by Çç¿Õ210210
[¿¼ÑÐ] 0856£¬269·ÖÇóµ÷¼Á +8 ÓÐѧÉϾÍÐÐÇóÇóÁ 2026-03-30 11/550 2026-04-01 22:33 by 2026²ÄÁϵ÷¼Á
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-01 14/700 2026-04-01 21:07 by lijunpoly
[¿¼ÑÐ] ʳƷѧ˶362Çóµ÷¼Á +3 xuanxianxian 2026-04-01 3/150 2026-04-01 21:05 by °¡Àî999
[¿¼ÑÐ] 327Çóµ÷¼Á +5 С¿¨²»¿¨. 2026-03-29 5/250 2026-03-30 19:30 by Wang200018
[¿¼ÑÐ] 322Çóµ÷¼Á +10 ËÎÃ÷ÐÀ 2026-03-27 10/500 2026-03-30 18:47 by 544594351
[¿¼ÑÐ] 332Çóµ÷¼Á +6 @MZB382400 2026-03-28 6/300 2026-03-30 16:57 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 348Çóµ÷¼Á +6 СÀÁ³æ²»ÀÁÁË 2026-03-28 6/300 2026-03-30 10:29 by Evan_Liu
[¿¼ÑÐ] 305Çóµ÷¼Á +8 RuiFairyrui 2026-03-28 8/400 2026-03-29 08:22 by fmesaito
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û