±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1640  |  »Ø¸´: 3

lvzhicong2

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖú Cr2O3µÄ»¯Ñ§ÐÔÖÊ Cr2O3ÈÜÓÚÄÄЩË᣿»ò¼îÈÜÒº£¿

Cr2O3µÄ»¯Ñ§ÐÔÖÊ   Cr2O3ÈÜÓÚÄÄЩË᣿»ò¼îÈÜÒº£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

Î÷Î÷ºÜ¿ÉÁ¯

½û³æ (ÎÄ̳¾«Ó¢)

Ê®ÒÚ¹âÄêÅàÓŰàѧί¡ª¡ªÎ÷Î÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-12-25 20:52:05
lvzhicong2(½ð±Ò+5): 2011-12-26 16:10:37
lvzhicong2(½ð±Ò+5): 2011-12-31 09:54:39
ÈÜÓÚÈȵļî½ðÊôäåËáÑÎÈÜÒº¡£²»ÈÜÓÚË®¡¢´¼¡¢ËáºÍ¼î¡£
Ã²ËÆ¿ÉÒÔºÍÇ¿ËáÇ¿¼î·´Ó¦£¬Ó¦¸Ã±È½ÏÀ§ÄÑ
Cr2O3+ 3H2SO4 =Cr2(SO4)3+ 3H2O ¡¡¡¡Cr2O3+ 2NaOH = 2NaCrO2 + H2O
I can
2Â¥2011-12-25 11:34:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yyqqzz

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhonggao18(½ð±Ò+1): ¸Ðл»ØÌû 2011-12-25 20:52:11
lvzhicong2(½ð±Ò+5): 2011-12-26 16:10:49
±È½ÏÀ§ÄÑ£¬
ËáÐÔ»ò¼îÐÔÌõ¼þÏ£¬ÓÐÇ¿Ñõ»¯¼Á´æÔÚÏ£¬Ñõ»¯³ÉÁù¼ÛµÄ¾ÍÈܽâÁË£¡
ÇâÑõ»¯¼ØÈÛÈÚÓ¦¸ÃÒ²¿ÉÒԵģ¡
3Â¥2011-12-25 16:09:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

denvoll

½ð³æ (ÕýʽдÊÖ)

¶ÀÁ¢µÄ´°Íâ¿Í

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
lvzhicong2(½ð±Ò+5): 2011-12-26 16:10:57
ÓÃÁòËáºÍÁ×ËáÈܽ⣬»òÓüîÐÔÈÛ¼ÁÈÚ
ÈËÉú×ÜÓв»¿ÉÔ¤ÁϵÄÊÂÇé
4Â¥2011-12-26 07:13:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ lvzhicong2 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á×Ü·Ö280 +3 mkjlz1 2026-04-06 3/150 2026-04-06 14:40 by zhen¡«
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©086000µ÷¼ÁÒ»Ö¾Ô¸Î÷±±Å©ÁÖ320·Ö +3 ÃÀÃÀŮʿ 2026-04-03 3/150 2026-04-05 21:55 by ѧԱ8dgXkO
[¿¼ÑÐ] 288Çóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó ²ÄÁÏÓ뻯¹¤ +13 ÂåÉñ¸ç¸ç 2026-04-03 13/650 2026-04-05 17:27 by zzx2138
[¿¼ÑÐ] 306·Ö²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Àè°ÉÀ²À²ÄãºÜÓÐà 2026-04-03 7/350 2026-04-05 17:18 by Hdyxbekcb
[¿¼ÑÐ] 081700ѧ˶£¬323·Ö£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧÇóµ÷¼ÁѧУ +16 ÅûÐÇºÓ 2026-04-04 16/800 2026-04-05 11:27 by Öí»á·É
[¿¼ÑÐ] 298Çóµ÷¼Á +7 manman511 2026-04-05 7/350 2026-04-05 10:29 by ÌÆãå¶ù
[¿¼ÑÐ] ¡£ +5 ÎíÓ뺣 2026-04-02 6/300 2026-04-04 19:53 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬ÇóÉúÎïѧµ÷¼Á£¬326·Ö +6 Áõīī 2026-04-04 6/300 2026-04-04 19:44 by ÌÆãå¶ù
[¿¼ÑÐ] 311Çóµ÷¼Á +20 zchqwer 2026-04-01 22/1100 2026-04-03 22:09 by lglzsd
[¿¼ÑÐ] ÊÞÒ½µ÷¼Á +3 wh119216 2026-04-02 3/150 2026-04-03 19:34 by zrongyan
[¿¼ÑÐ] 321Çóµ÷¼Á +17 y-yh 2026-04-01 20/1000 2026-04-03 12:57 by y-yh
[¿¼ÑÐ] 279Çóµ÷¼Á +6 qazplm0852 2026-04-02 6/300 2026-04-03 10:03 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 262Çóµ÷¼Á +6 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-04-02 7/350 2026-04-03 09:54 by linyelide
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-03-31 7/350 2026-04-02 23:16 by JourneyLucky
[¿¼ÑÐ] 293Çóµ÷¼Á +4 çæçæÀÖ 2026-04-02 4/200 2026-04-02 20:10 by 6781022
[¿¼ÑÐ] 318Çóµ÷¼Á +3 óÆÐÐÖÂÔ¶. 2026-03-31 4/200 2026-04-02 15:56 by Jaylen.
[¿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] 348Çóµ÷¼Á +6 ÎâÑå׿24k 2026-04-02 6/300 2026-04-02 14:07 by ¸øÄãÄã×¢ÒâÐÝÏ¢
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] 085600 Ò»Ö¾Ô¸9 ×Ü·Ö351 Çóµ÷¼ÁѧУ +7 czhcz 2026-03-31 9/450 2026-04-01 19:24 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û