Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 2244  |  »Ø¸´: 6
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hzhiding

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[½»Á÷] ¡¾ÇóÖú¡¿ÏõËáÌúÈÜÒºµÄÅäÖÆÎÊÌâ

ÓÃFe(NO3)3.9H2OÅäÖÆ250ºÁÉý0.1mol/LµÄÏõËáÌúÈÜҺʱ,ΪÁË·Àֹˮ½â£¬ÎÒ¼ÓÁË2.5mlµÄŨÏõËᣬ½á¹û·¢ÏÖÈÜÒºÑÕÉ«ÓÉ»ÆÉ«ÎªÎÞÉ«¡£ÇëÎÊ£¬ÕâÊÇʲôԭÒò£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

·Æ·ÆÓêÌì¿Õ

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÓпÉÄÜÄã·´Ó¦Æ÷ÀïÃæÓÐÔÓÖÊ£¬²Åµ¼Öµķ´Ó¦£¬ÀíÂÛÉÏÓ¦¸Ãû±ä»¯µÄ°É¡£
5Â¥2009-09-19 10:32:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

ÌÀÌÀÅÝ·¹

ľ³æ (ÖøÃûдÊÖ)

ºöºö¼Ò×åºöºöÆ®

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:31
Ã²ËÆ·Àֹˮ½âÒª¼ÓÈëÏ¡µÄÏõËá
²»ÒªÅÊ£¬²»Òª±È£¬²»Òª×Ô¼ºÆø×Ô¼º£¡ ºöºö~~~~~~~~~~~~~~~
2Â¥2009-09-09 16:26:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

huyc1970

½ð³æ (ÕýʽдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:32
Fe(NO3)3ÈÜÒºµÄÑÕÉ«±¾À´¾ÍÓ¦¸ÃÊÇÎÞÉ«µÄ£¡²»ÒªÈÏΪFe3+ÈÜÒº¾üΪ»ÆÑÕÉ«£¬Ö»ÓÐÎÒÃdz£ÓõÄFeCl3Ë®ÈÜÒº²ÅÊÇ»ÆÑÕÉ«µÄ£¡
3Â¥2009-09-09 23:51:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jacky1986

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-10 00:32
Â¥Ö÷È·¶¨±ä³ÉÎÞÉ«ÁË£¿ÏõËáÌúȷʵӦ¸ÃÊÇר»ÆÉ«£¬¼ÓÈëŨÏõËáºó²»Ó¦¸ÃÓÐʲôÆäËûµÄ»¯Ñ§±ä»¯¡£
4Â¥2009-09-10 00:09:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á +6 ÏàÐűػá¹ââÍòÕ 2026-04-11 6/300 2026-04-14 08:57 by licg0208
[¿¼ÑÐ] 085801µçÆø×¨Ë¶272Çóµ÷¼Á +13 µçÆøÀî 2026-04-13 14/700 2026-04-14 08:50 by ľľmumu¡«
[¿¼ÑÐ] µ÷¼ÁÇóÊÕÁô +32 ¹ûÈ»ÓÐÎÒ 2026-04-10 33/1650 2026-04-14 08:49 by ľľmumu¡«
[¿¼ÑÐ] »¯Ñ§070300 Çóµ÷¼Á +21 ¹þ¹þ¹þ^_^ 2026-04-12 21/1050 2026-04-13 21:36 by nxybio2007
[¿¼ÑÐ] һ־Ը³¶«´óѧ071000ÉúÎïѧѧ˶³õÊÔ·ÖÊý276Çóµ÷¼Á +8 Ľ¾øcc 2026-04-09 8/400 2026-04-13 14:08 by ÕÅzhihao
[¿¼ÑÐ] ±¾¿ÆÄÏ·½Ò½¿Æ´óѧ Ò»Ö¾Ô¸985 ҩѧѧ˶284·Ö Çóµ÷¼Á +5 ÈõË®ÌýÎÄ 2026-04-09 5/250 2026-04-12 13:16 by shengxi123
[¿¼ÑÐ] 305Çóµ÷¼Á +6 77Qi 2026-04-07 6/300 2026-04-12 02:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ 22408 305·ÖÇóµ÷¼Á +5 °²Ð¡Âúzzz 2026-04-08 5/250 2026-04-12 00:41 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Ïôó0856£¬306Çóµ÷¼Á +15 Bblinging 2026-04-11 15/750 2026-04-11 22:53 by 314126402
[¿¼ÑÐ] ҩѧר˶µ÷¼Á +8 ? һ·Éú?»¨? 2026-04-10 10/500 2026-04-11 21:21 by zhouxiaoyu
[¿¼ÑÐ] µ÷¼Á +10 Ö»ÐðÀë±ð´Ç 2026-04-09 12/600 2026-04-11 20:57 by ÄæË®³Ë·ç
[¿¼ÑÐ] 296Çóµ÷¼Á +6 Íô£¡£¿£¡ 2026-04-09 6/300 2026-04-11 11:25 by zhq0425
[¿¼ÑÐ] 293Çóµ÷¼Á +6 ÓÂÔ¶¿â°®314 2026-04-08 6/300 2026-04-11 10:08 by zhq0425
[¿¼ÑÐ] 311Çóµ÷¼Á +13 xypÏë¶ÁÊé 2026-04-10 14/700 2026-04-11 09:41 by Öí»á·É
[¿¼ÑÐ] 282£¬Çóµ÷¼Á +12 jggshjkkm 2026-04-09 14/700 2026-04-11 09:39 by Öí»á·É
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤µ÷¼Á +12 ·ñ¼«Ì©À´2026 2026-04-10 13/650 2026-04-11 00:28 by wangjihu
[¿¼ÑÐ] ²ÄÁÏר˶µ÷¼Á +16 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 17/850 2026-04-09 21:16 by wutongshun
[¿¼ÑÐ] ¶þ´Îµ÷¼ÁÇóÀÏʦÊÕÁô +3 ЦЦԬ 2026-04-08 3/150 2026-04-08 23:50 by ×íÔÚ·çÀï
[¿¼ÑÐ] 275 Çóµ÷¼Á +8 Lei812514 2026-04-07 8/400 2026-04-08 12:46 by chemisry
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 22:00 by hemengdong
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û