²é¿´: 9024  |  »Ø¸´: 10

µûÃÎÁ÷·É

Ìú³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by ÈȰ®ÉúÃüµÄÖí at 2012-03-03 20:28:28
1.5g KMnO4 + 10g K2CO3 + 1.25mL 10% NaOH + 200mL Ë®. ÎÒÃǶ¼ÊÇÕâÑùÅäÖõ쬾ÍÊÇÖ±½Ó³ÆKMnO4ºÍK2CO3·Åµ½Æ¿×ÓÀ¼ÓNaOH£¬È»ºó¼ÓˮҡһϾͺÃÁË£¬Ò»Ö±ºÜºÃÓõģ¬lzÊÔÊÔÄØ£¿²»»áÓгÁµí£¬¹þ¹þ

ÎÒÏëÎÊһϣ¬ÎҵĽṹÀïÓÐC-N Ë«¼ü£¬µ«ÊÇ£¬²¢²»º¬ÓÐôÇ»ù£¬Ê¹ÓøßÃÌËá¼ØµÄʱºò£¬ÊÇʹÓüîÐԵϹÊÇËáÐԵıȽϺã¿ÁíÍ⣬Ӧ¸ÃÔõÑùʹÓõģ¿ÊÇÖ±½ÓÅçÈ÷»¹ÊǽþÅÝ£¿
11Â¥2017-11-27 23:12:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jyf2010 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 279·ÖÇóµ÷¼Á Ò»Ö¾Ô¸211 +13 chaojifeixia 2026-03-19 14/700 2026-03-21 10:28 by JineShine
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-17 8/400 2026-03-21 02:12 by JourneyLucky
[¿¼ÑÐ] 278Çóµ÷¼Á +6 ÑÌ»ðÏÈÓÚ´º 2026-03-17 6/300 2026-03-21 01:57 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏ 336 Çóµ÷¼Á +3 An@. 2026-03-18 4/200 2026-03-21 01:39 by JourneyLucky
[¿¼ÑÐ] 299Çóµ÷¼Á +4 shxchem 2026-03-20 5/250 2026-03-21 00:24 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +6 hanamiko 2026-03-18 6/300 2026-03-21 00:24 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁϹ¤³Ìר˶330·ÖÇóµ÷¼Á +8 С²Ä»¯±¾¿Æ 2026-03-18 8/400 2026-03-20 23:16 by JourneyLucky
[¿¼ÑÐ] 330Çóµ÷¼Á +4 С²Ä»¯±¾¿Æ 2026-03-18 4/200 2026-03-20 23:13 by JourneyLucky
[¿¼ÑÐ] 290Çóµ÷¼Á +7 ^O^Ø¿ 2026-03-19 7/350 2026-03-20 21:43 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-03-19 11/550 2026-03-20 21:30 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸¸£´ó288Óлú»¯Ñ§£¬Çóµ÷¼Á +3 Сľ³æ200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶µ÷¼Á +5 204818@lcx 2026-03-17 6/300 2026-03-18 22:55 by 204818@lcx
[¿¼ÑÐ] »¯Ñ§¹¤³Ì321·ÖÇóµ÷¼Á +15 ´óÃ×·¹£¡ 2026-03-15 18/900 2026-03-18 14:52 by haxia
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] ÖпÆÔº²ÄÁÏ273Çóµ÷¼Á +4 yzydy 2026-03-15 4/200 2026-03-16 15:59 by Gaodh_82
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á 290·ÖÓпÆÑо­Àú£¬ÂÛÎÄÔÚͶ +7 ÄåÄågk 2026-03-14 7/350 2026-03-16 10:12 by houyaoxu
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 ºôºô£¿~+123456 2026-03-14 3/150 2026-03-14 16:53 by WTUChen
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û