Znn3bq.jpeg
²é¿´: 1847  |  »Ø¸´: 3
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

²×º£Ò»Éùß÷

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Èý¼Û¸õÀë×ÓÎÞ·¨ÍêÈ«³ÁµíÊÇÔõô»ØÊ ÒÑÓÐ1È˲ÎÓë

¹Ì·ÏÎһ±Èʮˮ½þPHÔÚ10×óÓÒ£¬½þ³öÒº×ܸõº¬Á¿200£¬Áù¼Û3ÒÔÄÚ¡£
½þ³öҺʹÓÃ̼ËáÄÆºÍÁòËáµ÷ËáÔÙµ÷¼î£¬Èý¼Û¸õ¿ÉÒÔÍêÈ«³Áµí¡£»³ÒÉÊǹ̷ÏÎïÈý¼Û¸õº¬Á¿Ì«¸ßµ¼Ö¡£
µ«×÷ÒµÌõ¼þÏÞÖÆ£¬Ö»ÄܶԹ̷ÏÎïÖ±½Ó»¹Ô­ºÍÖкͣ¬±£Ö¤½þ³öÒºÔ­ÑùºÏ¸ñ¡£
ÌØÇó½Ì¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÎÒ˵µÄÿһ¾ä»°¶¼ÊÇ´íµÄ¡­¡­
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²×º£Ò»Éùß÷

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by laolongg at 2017-10-19 18:36:32
ºã¸ç

ÁúÐÖ

·¢×ÔСľ³æAndroid¿Í»§¶Ë
ÎÒ˵µÄÿһ¾ä»°¶¼ÊÇ´íµÄ¡­¡­
4Â¥2017-10-20 06:49:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 4 ¸ö»Ø´ð

catalyticart

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Cr(OH)3   Ksp=6.3¡Á10-31  
½þ³öÒºÖкͺϸñpH=7, OH-=1¡Á10-7 mol/l
Èô½þ³öÒº¸õ³Áµí£¬Æä×îСŨ¶ÈΪC(Cr3+)=(6.3¡Á10-31/  1¡Á10-7 )^1/3=1.85¡Á10-8mol/l
m(Cr3+)=1.85¡Á10-8*52=9.2¡Á10-7g/l
Ô¶´óÓÚ¸õÁ¿£¬³Áµí²»¿ÉÄÜÍêÈ«
2Â¥2017-10-19 16:09:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¼±Ðèµ÷¼Á +6 ¾ø²»·ÅÆú22 2026-04-15 6/300 2026-04-16 11:45 by lifeisbrave
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +14 à¶¹þ¼ÓÓÍ 2026-04-14 16/800 2026-04-16 10:15 by beilsong20
[¿¼ÑÐ] 279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ 20+7 ¹Â¶ÀµÄÀǰ®³ÔÑò 2026-04-12 29/1450 2026-04-16 09:00 by screening
[¿¼ÑÐ] 291 Çóµ÷¼Á +40 »¯¹¤2026½ì±ÏÒµÉ 2026-04-09 41/2050 2026-04-15 21:54 by noqvsozv
[¿¼ÑÐ] 296Çóµ÷¼Á +12 Íô£¡£¿£¡ 2026-04-09 13/650 2026-04-15 20:01 by ѧԱJpLReM
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +6 zlb770521 2026-04-14 6/300 2026-04-15 20:00 by ѧԱJpLReM
[¿¼ÑÐ] »úе»¹Óл¹ÓÐÃû¶îÂð£¿Ì«ÄÑÁË +8 ЦЦԬ 2026-04-10 8/400 2026-04-14 08:44 by screening
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó 085600 277 12²Ä¿Æ»ùÇóµ÷¼Á 5+5 chenny174 2026-04-10 37/1850 2026-04-14 07:39 by Abskk
[¿¼ÑÐ] ±¾¿ÆÎ÷¹¤´ó 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-13 23:08 by pies112
[¿¼ÑÐ] BÇø0809 £¬ÊýÒ»Ó¢Ò»£¬290 Çóµ÷¼Á +3 ãöΫ1111 2026-04-12 4/200 2026-04-13 20:35 by ѧԱJpLReM
[¿¼ÑÐ] ¡£ +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[¿¼ÑÐ] µ÷¼ÁÇóÖú +6 ¹ûÈ»ÓÐÎÒ 2026-04-11 7/350 2026-04-11 16:22 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] 085402ͨÐŹ¤³Ìµ÷¼Á£¬ÓÐ4Ïîѧ¿Æ¾ºÈü¹ú½±£¨µçÈü¹ú¶þ£©£¬Ë¶Ê¿Ñо¿Éúµ÷¼Á×Ô¼öÐÅ¡£ +5 mÓÀo²»vÑÔoÆúm 2026-04-09 5/250 2026-04-11 09:33 by zhq0425
[¿¼ÑÐ] 346£¬¹¤¿Æ0854Çóµ÷¼Á£¬×¨Ë¶ +7 moser233 2026-04-10 8/400 2026-04-11 08:52 by Öí»á·É
[¿¼ÑÐ] 342µç×ÓÐÅϢר˶Çóµ÷¼Á +9 ÄãÈÃÎÒÔõôÀóÖ¦ 2026-04-10 10/500 2026-04-11 08:33 by zhq0425
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +3 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 3/150 2026-04-10 22:23 by 286640313
[¿¼ÑÐ] µ÷¼Á +19 СÕÅZA 2026-04-10 20/1000 2026-04-10 22:08 by Öí»á·É
[¿¼ÑÐ] 0858Çóµ÷¼Á 5+5 Gky09300550£¬ 2026-04-10 8/400 2026-04-10 19:13 by chemisry
[¿¼ÑÐ] ³õÊÔ261 +3 AshtÉÙ 2026-04-10 6/300 2026-04-10 16:38 by AshtÉÙ
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 13/650 2026-04-10 10:27 by liuhuiying09
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û