| ²é¿´: 167 | »Ø¸´: 2 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
czw390гæ (³õÈëÎÄ̳)
|
[½»Á÷]
¡¾ÇóÖú¡¿ÏÂÃæÏ°ÌâÈçºÎ½â´ð£¬Ð»Ð»£¡
|
||
|
1¡¢ÓÐʱ£¬ÎªÁË·ÖÎöÌþÀà»ìºÏÎÏȽ«¸÷×é·Ö¶¼Ñõ»¯³É¶þÑõ»¯Ì¼ºóÔÙ½øÐмì²â¡£Ñõ»¯Ê±²úÉúµÄË®Æû¿ÉÓÃÀäÚå³ýÈ¥£¬Ö»½«¶þÑõ»¯Ì¼µ¼ÈëÈȵ¼³Ø¼ì²âÆ÷¼ì²â¡£ÏÖ²âµÃÒ»ÑùÆ·ÖÐ5¸ö×é·ÖµÄ·åÃæ»ýÈçÏ£ºÕýÎìÍé2.00µ¥Î»£¬Õý¼ºÍé5.72µ¥Î»£¬3-¼×»ù¼ºÍé2.21µ¥Î»£¬2£¬2£¬4-Èý¼×»ùÎìÍé1.92µ¥Î»£¬¼×±½3.16µ¥Î»¡£ÊÔÎÊ£º £¨1£©ÕâÖÖÔ¤Ñõ»¯ºó¼ì²âµÄ·½·¨µÄÖ÷ÒªÓÅȱµãÊÇʲô£¿ £¨2£©Ô¤Ñõ»¯²½ÖèÓ¦ÔÚÖùǰ£¬»¹ÊÇÔÚÖùºó½øÐУ¿ÎªÊ²Ã´£¿ £¨3£©ÑùÆ·Öи÷×é·ÖµÄº¬Á¿£¨ÓÃĦ¶û·ÖÊý±íʾ£©Îª¶àÉÙ£¿£¨0.169£¬0.403£¬0.136£¬0.102£¬0.191£© £¨4£©²»²ÉÓÃÔ¤Ñõ»¯²½Ö裬ÄÜ·ñÖ±½Ó½øÐмì²â£¿Èô²»Äܼì²â£¬ËµÃ÷ÆäÔÒò£»Äܼì²â£¬´óÖÂÓ¦¸ÃÔõô×ö£¿ £¨3£©¡¢£¨4£©Îʲ»»á£¿£¿ 3¡¢1.28x10-4mol/l KMnO4ÈÜÒºÔÚ²¨³¤525nm´¦ÓÃ1cmÎüÊճزâµÃ͸¹â¶ÈΪ0.500£¬ÊÔÎÊ: £¨1£©ÈôKMnO4ÈÜҺŨ¶ÈΪÔÈÜÒºµÄ2±¶Ê±£¬ÆäÎü¹â¶ÈΪ¶àÉÙ£¿£¨A=0.602£© £¨2£©¼Ù¶¨Ê¹ÓÃÆÕͨ·Ö¹â¹â¶È¼Æ£¬ÔÚŨ¶ÈµÄÏà¶ÔÎó²î×îСʱ²â¶¨£¬ÔòKMnO4ÈÜÒºµÄŨ¶ÈΪ¶àÉÙ£¿£¨c=1.85x10-5mol/l£© £¨2£©Îʲ»»á£¿ [ Last edited by czw390 on 2009-9-11 at 14:14 ] |
» ²ÂÄãϲ»¶
080200ѧ˶£¬»úе¹¤³Ìרҵ277·Ö£¬Çó´ø×ߣ¡
ÒѾÓÐ7È˻ظ´
377Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
295Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
086000ÉúÎïÓëÒ½Ò©298µ÷¼ÁÇóÖú
ÒѾÓÐ10È˻ظ´
0860 Çóµ÷¼Á Ò»Ö¾Ô¸¹ú¿Æ´ó 348 ·Ö
ÒѾÓÐ3È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ4È˻ظ´
±¾¿Æ211ÉúÎïҽѧ¹¤³Ì085409Çóµ÷¼Á339·Ö
ÒѾÓÐ9È˻ظ´
296Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á
ÒѾÓÐ11È˻ظ´
308Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
victor118
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1236.5
- Ìû×Ó: 101
- ÔÚÏß: 16.7Сʱ
- ³æºÅ: 105
- ×¢²á: 2003-03-01
- ÐÔ±ð: GG
- רҵ: Óлú·ÖÎö
2Â¥2009-09-11 14:08:00
czw390
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 12.5
- Ìû×Ó: 8
- ÔÚÏß: 59·ÖÖÓ
- ³æºÅ: 485037
- ×¢²á: 2007-12-27
- רҵ: Ö²Îï·ÖÀàѧ
3Â¥2009-09-11 17:14:28














»Ø¸´´ËÂ¥