²é¿´: 925  |  »Ø¸´: 12
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

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

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

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

wuchenwf

ÈÙÓþ°æÖ÷ (Ö°Òµ×÷¼Ò)

¡ï
Сºì¶¹(½ð±Ò+1):3Q~!
¶ÔÓ¦¸ÃÊÇÏòÓÒ  ´ó¼Ò°ÑËüÏ븴ÔÓÁË  ¾ÍÏñÎÒÃǸßÖлò´óѧ¸Õ¿ªÊ¼ÄÇÑùÅжϠ Ò»¶¨ÏòÉú³É¸üÄÑÈܵÄÎïÖʵķ½Ïò ½øÐÐ.
6Â¥2007-07-16 02:33:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

goodluck2781

½ð³æ (СÓÐÃûÆø)

¡ï
Сºì¶¹(½ð±Ò+1):3Q~!
ÎÒÒ²ÈÏΪÏòÓÒ£¬Äãд³ö·´Ó³Æ½ºâʽ¾Í¿ÉÒÔÖªµÀ½á¹ûÁË£¬¸ÕºÃ·Ö×ÓÊÇKs(PbSO4)£¬·ÖĸÊÇKs (PbS)£¬Æ½ºâ³£ÊýÊÇ10µÄ18´ÎÃÝ£¬·´Ó¦¾ø¶ÔÏòÓÒ½øÐС£
7Â¥2007-08-01 18:03:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shi102241218

ľ³æ (ÖøÃûдÊÖ)

¡ï
Сºì¶¹(½ð±Ò+1):3Q~!
Ó¦¿¼ÂÇÒ»ÏÂNa2SµÄË®½âЧӦ£¬ÊÇÒÔÇ¿¼îÈõËáÑΣ¬ÔÚË®ÈÜÒºÖлù±¾É϶¼ÊÇHS-Àë×Ó£¬¶øS2-Àë×ÓµÄÁ¿¼«ÉÙË®½â³£ÊýΪKwxKa2=1x10-14x7.1x10-15=7.1x10-29ÕâÑùËãÒ»ÏÂS2-µÄŨ¶È£¬¶øSO42-¼¸ºõ²»Ë®½â£¬ÔÚ±ê׼״̬Ï£¬¼´Å¨¶ÈΪ1Mʱ£¬¾Í¿ÉÒÔÅжϷ´Ó³Ïò×ó
8Â¥2007-08-01 23:46:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

seven1014

ÏòÓÒ°¡¡­¡­
9Â¥2007-08-02 15:54:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

shinexq

ľ³æ (ÕýʽдÊÖ)

·´Ó¦PbSO4(s)+Na2S(aq)=PbS(s)+Na2SO4µÄƽºâ³£Êý
K=Ks(PbSO4)/Ks (PbS)=1.82x10-8/9.04x10-27=2x1018>>1,ƽºâÏòÓÒ
10Â¥2007-08-04 21:35:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ½­ÄÏÅ®×Ó µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 326Çóµ÷¼Á +5 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 8/400 2026-03-21 19:33 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +5 Ê®Èý¼ÓÓÍ 2026-03-21 5/250 2026-03-21 18:48 by ѧԱ8dgXkO
[¿¼ÑÐ] ¡¾¿¼Ñе÷¼Á¡¿»¯Ñ§×¨Òµ 281·Ö£¬Ò»Ö¾Ô¸ËÄ´¨´óѧ£¬³ÏÐÄÇóµ÷¼Á +11 ³Ô³Ô³Ô²ÅÓÐÒâÒå 2026-03-19 11/550 2026-03-21 18:23 by ѧԱ8dgXkO
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 9/450 2026-03-21 16:12 by babangida
[¿¼ÑÐ] 330Çóµ÷¼Á0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by ²«»÷518
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +3 ³¿»èÏßÓëÐǺ£ 2026-03-18 3/150 2026-03-21 00:46 by JourneyLucky
[¿¼ÑÐ] 311Çóµ÷¼Á +5 ¶¬Ê®Èý 2026-03-18 5/250 2026-03-21 00:16 by JourneyLucky
[¿¼ÑÐ] 317Çóµ÷¼Á +5 Éê×ÓÉêÉê 2026-03-19 9/450 2026-03-20 22:26 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-03-19 11/550 2026-03-20 21:30 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +3 À§À§À§À§À¤À¤ 2026-03-20 3/150 2026-03-20 20:38 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ ѧ˶ 354Çóµ÷¼Á211»òÕß˫һÁ÷ +3 ÎÒÏëÒª¶ÁÑо¿Éú 2026-03-20 3/150 2026-03-20 20:13 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[¿¼ÑÐ] 08¹¤Ñ§µ÷¼Á +5 Óû§573181 2026-03-20 5/250 2026-03-20 15:47 by xia_2003
[¿¼ÑÐ] 320Çóµ÷¼Á0856 +3 ²»ÏëÆðÃû×Ö112 2026-03-19 3/150 2026-03-19 22:53 by ѧԱ8dgXkO
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703·½Ïò310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-16 16:44 by houyaoxu
[¿¼ÑÐ] ÖпÆÔº²ÄÁÏ273Çóµ÷¼Á +4 yzydy 2026-03-15 4/200 2026-03-16 15:59 by Gaodh_82
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û