²é¿´: 927  |  »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¥
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
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¸211£¬0703»¯Ñ§310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-21 22:21 by peike
[¿¼ÑÐ] Çóµ÷¼Á +5 Ê®Èý¼ÓÓÍ 2026-03-21 5/250 2026-03-21 18:48 by ѧԱ8dgXkO
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 ÄÝÄÝninicgb 2026-03-21 4/200 2026-03-21 18:39 by ѧԱ8dgXkO
[¿¼ÑÐ] 279·ÖÇóµ÷¼Á Ò»Ö¾Ô¸211 +14 chaojifeixia 2026-03-19 15/750 2026-03-21 13:24 by zhukairuo
[¿¼ÑÐ] 0856²ÄÁÏר˶353Çóµ÷¼Á +3 NIFFFfff 2026-03-20 3/150 2026-03-21 10:23 by luoyongfeng
[¿¼ÑÐ] һ־Ըɽ´ó07»¯Ñ§ 332·Ö ËÄÁù¼¶Òѹý ±¾¿ÆÉ½¶«Ë«·Ç Çóµ÷¼Á£¡ +3 ²»ÏëÀíÄã 2026-03-16 3/150 2026-03-21 03:59 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³×¨Ë¶£¬×Ü·Ö308Çóµ÷¼Á +3 īīĮ 2026-03-18 3/150 2026-03-21 00:39 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 322Çóµ÷¼Á +4 È»11 2026-03-19 4/200 2026-03-20 22:12 by luoyongfeng
[¿¼ÑÐ] 290Çóµ÷¼Á +7 ^O^Ø¿ 2026-03-19 7/350 2026-03-20 21:43 by JourneyLucky
[¿¼ÑÐ] 295¸´ÊÔµ÷¼Á +8 ¼òľChuFront 2026-03-19 8/400 2026-03-20 20:44 by zhukairuo
[¿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] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
[¿¼²©] É격26Äê +3 °Ë6°Ë68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Ϊѧ666 2026-03-16 7/350 2026-03-19 14:48 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ð÷ÐÒÓë×Ó 2026-03-17 6/300 2026-03-19 13:27 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[˶²©¼ÒÔ°] ºþ±±¹¤Òµ´óѧ ÉúÃü¿ÆÑ§Ó뽡¿µÑ§Ôº-¿ÎÌâ×éÕÐÊÕ2026¼¶Ê³Æ·/ÉúÎï·½Ïò˶ʿ +3 1ϲ´º8 2026-03-17 5/250 2026-03-17 17:18 by ber´¨cool×Ó
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶274Ò»Ö¾Ô¸211Çóµ÷¼Á +6 Ñ¦ÔÆÅô 2026-03-15 6/300 2026-03-17 11:05 by ѧԱh26Tkc
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û