24СʱÈÈÃŰæ¿éÅÅÐаñ    

Znn3bq.jpeg
²é¿´: 945  |  »Ø¸´: 12
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

½­ÄÏÅ®×Ó

[½»Á÷] Ò»¸öϰÌâ,´ð°¸ÊÇʲô? why

ÈôÒÑÖªKs(PbSO4)=1.82x10-8£¬Ks (PbS)=9.04x10-27£¬ÊÔÅжϷ´Ó¦PbSO4(s)+Na2S(aq)=PbS(s)+Na2SO4(aq)½øÐеķ½ÏòÊÇ           (1)ÏòÓÒ     (2)Ïò×ó      (3)ƽºâ״̬     (4)ÎÞ·¨ÅжÏ
Ks±íʾÈܶȻý,-8 ºÍ-27ΪָÊý.

[ Last edited by ½­ÄÏÅ®×Ó on 2007-7-13 at 01:15 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

èÉÀÇ

ľ³æ (СÓÐÃûÆø)

¡ï
Сºì¶¹(½ð±Ò+1):лл»ý¼«½»Á÷!
(1)ÏòÓÒ£»ËäȻûÓÐÁòËá¸ùµÄŨ¶Èµ«ÊÇÁò»¯Ç¦µÄKsp¡·¡·¡·¡·ÁòËáǦ£¨Î¢ÈÜ£©£»ÄÇÄãÖªµÀÂÈ»¯ÒøÖеμӰ±Ë®Èܽ⣬ÔÙ¼Óä廯Îï³Áµí£¬ÔÙ¼ÓÁò´úÁòËáÄÆÈܽ⣬Ôټӵ⻯Îï³Áµí£¬ÔÙ¼ÓÇ軯Îï¿ÉÒÔÈܽâµÄµÀÀí
5Â¥2007-07-13 18:39:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

ש¼Ò

¡ï
xiejianwu(½ð±Ò+1):лл»ý¼«½»Á÷
(3)ƽºâ״̬
Ô­ÒòÊÇPbSO4¡¢PbSÈ«ÊǹÌÌ壬ÔÚË®ÖÐÈܽâËٶȺÜÂý£¬ÊÇÒ»¸ö¶¯Á¦Ñ§¹ý³Ì¡£ËùÒÔÁ½ÖÖ¹ÌÌåÒ»¶¨Ê±¼äÄÚ¿´²»µ½ÄǸöÈܽâÁË¡£
2Â¥2007-07-13 08:59:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

½­ÄÏÅ®×Ó

±ê×¼´ð°¸ÊÇ2,Ò»°ã¶¼»áÑ¡Ôñ1À´µÄ,ÒòΪPbSÀë×Ó»ýС,Èܽâ¶ÈҲС.Ϊʲô»áÊÇ2ÄØ,ÓеãÄÑÒÔÀí½â.
3Â¥2007-07-13 13:48:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

magicpopo

½ð³æ (ÖøÃûдÊÖ)

µçÖ®Á¶½ðÊõÊ¿

¡ï
xiejianwu(½ð±Ò+1):лл»ý¼«½»Á÷
ÌâÄ¿ÖÐûÓиæÖªÁòËá¸ùºÍÁòÀë×ÓµÄŨ¶È¡­¡­
Ñ¡4¸üºÃ¡­¡­
4Â¥2007-07-13 15:35:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйú¿ÆÑ§ÔºÉϺ£ÓлúËù£¬Óлú»¯Ñ§356·ÖÕÒµ÷¼Á +12 Nadiums 2026-04-09 12/600 2026-04-13 08:50 by lhj2009
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤349·ÖÇóµ÷¼Á +9 Àîľ×Ó°¡¹þ¹þ 2026-04-12 10/500 2026-04-13 08:45 by Sammy2
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +8 ²Ä»¯Àî¿É 2026-04-11 10/500 2026-04-12 08:42 by 852137818
[¿¼ÑÐ] 307Çóµ÷¼Á +10 tzq94092 2026-04-10 10/500 2026-04-12 08:18 by wise999
[¿¼ÑÐ] Ò»Ö¾Ô¸211£¬0703»¯Ñ§305·ÖÇóµ÷¼Á +26 ÑÏÎ÷Î÷Ï· 2026-04-06 33/1650 2026-04-11 23:01 by 314126402
[¿¼ÑÐ] 070300»¯Ñ§279Çóµ÷¼Á +19 ¹þ¹þ¹þ^_^ 2026-04-08 20/1000 2026-04-11 20:43 by stoner78
[¿¼ÑÐ] 0854µ÷¼Á +5 ÒôÏñµêÌý»¨¹ÄÏ· 2026-04-10 5/250 2026-04-11 10:49 by qingpingzhu
[¿¼ÑÐ] µ÷¼Á +4 µçÆø300Çóµ÷¼Á²» 2026-04-08 7/350 2026-04-11 10:44 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +6 Say Never 2026-04-10 6/300 2026-04-11 10:33 by wwj2530616
[¿¼ÑÐ] 22408µ÷¼ÁÇóÖú +7 ì±12 2026-04-09 9/450 2026-04-11 09:23 by ŶŶ123
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ·ç˵ËýÔçÍüÁË 2026-04-10 13/650 2026-04-10 18:56 by chemisry
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401µç×ÓÐÅÏ¢£¬±¾¿Æµç×ÓÐÅÏ¢ +3 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 3/150 2026-04-10 16:29 by sophia_93
[¿¼ÑÐ] Ò»Ö¾Ô¸Öпƴó070300»¯Ñ§£¬314·ÖÇóµ÷¼Á +12 wakeluofu 2026-04-09 12/600 2026-04-10 09:57 by liuhuiying09
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] ²ÄÁÏר˶(0856) 339·ÖÇóµ÷¼Á +9 ¹þ¹þ¹þ¶ì¹þ¹þ¹þ 2026-04-09 10/500 2026-04-09 20:01 by Orcid
[¿¼ÑÐ] 265Çóµ÷¼Á +4 ·ç˵ËýÔçÍüÁË 2026-04-07 4/200 2026-04-09 13:59 by onlyÖÜ
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ´óѧÉúÎïѧѧ˶344 ÇóÉúÎïѧÏà¹Øµ÷¼Á/ÉúÎïÓëÒ½Ò© +7 ³¬È˲»»á·É@ 2026-04-08 7/350 2026-04-09 09:35 by gong120082
[¿¼ÑÐ] 085404£¬334·Ö£¬Çóµ÷¼Á +5 sunjie8888 2026-04-08 8/400 2026-04-09 07:26 by sunjie8888
[¿¼ÑÐ] 277Çóµ÷¼Á +4 ¿¼Ñе÷¼Álxh 2026-04-06 6/300 2026-04-08 10:40 by ÄæË®³Ë·ç
[¿¼ÑÐ] ÉúÎïÒ½Ò©µ÷¼Á£üSCIÖпÆÔºÈýÇøÒ»×÷+¶àÏî¿ÆÑгɹû +8 likangxing 2026-04-07 11/550 2026-04-08 00:02 by lys0704
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û