Znn3bq.jpeg
²é¿´: 976  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

~~É­ÀÇ~~

гæ (³õÈëÎÄ̳)

[½»Á÷] ÂÈ»¯ÄƺÍÁòËáÄÆ»ìºÏÈÜÒºÖÐÂÈÀë×ÓºÍÁòËá¸ùÀë×Óº¬Á¿µÄ²â¶¨·½·¨

Sample Text
Ë­ÖªµÀ
£¨ÂÈ»¯ÄƺÍÁòËáÄÆ»ìºÏÈÜÒºÖÐÂÈÀë×ÓºÍÁòËá¸ùÀë×Óº¬Á¿µÄ²â¶¨·½·¨£©
ºÃµÄ»°½±ÀøÓÃ5¸ö½ð±ÒÀ´½»»»£¡£¡£¡£¡£¡£¡
ËÙ¶È£¬±¾È˼±Óá£
[search]ÂÈ»¯ÄƺÍÁòËáÄÆ»ìºÏÈÜÒºÖÐÂÈÀë×ÓºÍÁòËá¸ùÀë×Óº¬Á¿µÄ ...[/search]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

~~É­ÀÇ~~

гæ (³õÈëÎÄ̳)

£¿¡¢¡¢£¿£¿£¿£¿£¿£¿£¿£¿£¿£¿
£¡1£¡£¡£¡£¡£¡£¡£¡
¿ìµãÀ´¸ö·½·¨°É£¡¡¢
2Â¥2008-06-24 12:50:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guofx

Òø³æ (СÓÐÃûÆø)

¡ï ¡ï
dnp(½ð±Ò+2,VIP+0):лл^_^
¸ßÂÈËá±µµÎ¶¨·¨²â¶¨ÁòËá¸ù
ÔÚpH2.3¡«3.7·¶Î§ÄÚ£¬ÔÚº¬ÓÐ30¡«40%£¨V/V£©ÒÒ´¼µÄ½éÖÊÖУ¬ÒÔÜçËØºìS×÷Îü¸½Ö¸Ê¾¼Á£¬ÓøßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒºµÎ¶¨ÁòËá¸ù¡£
±¾·¨ÊÊÓÃÓÚË®ÑùÖÐÁòËá¸ùµÄ²â¶¨¡£
ÊÔ¼ÁÅäÖÆ
¸ßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒº£¨¡Ö0.01mol/L£©£ºÈܽâ3.9gÈýË®ºÏ¸ßÂÈËá±µ£¨Ba(ClO4)2•3HO£©ÓÚ200mLË®ÖУ¬¼ÓÈë800mLÒì±û´¼£¬»ìÔÈ¡£ÓÃ0.005mol/LÁòËá±ê×¼ÈÜÒº±ê¶¨¡£¿ÉÒÔÓÃÒÒ´¼»ò¼×´¼´úÌæÒì±û´¼¡£
ÒÒËáþÈÜÒº£¨5g/L£¬¡Ö0.25mol/L£©£º½«5.0gÒÒËáþ£¨Mg£¨CH3COO£©2•4H2O£©ÈÜÓÚË®£¬¶¨ÈÝ1000mL¡£
¸ßÂÈËᣨ1£«9£©£»ÜçËØºìSÈÜÒº£¨2g/L£©¡£
·ÖÎö²½Öè
È¡º¬2¡«4mmol SO42£­£¨192¡«384mg£©µÄË®Ñù£¬µ÷½ÚÖÁ45mL×óÓÒ£¬¼ÓÈë40mL¼×´¼£¬ÓÃ5g/LÒÒËáþÈÜÒºÓë¸ßÂÈËᣨ1£«9£©µ÷½ÚpHµ½3.0¡«3.5¡£Ñ¸ËÙ¼ÓÈëËùÐèÒªµÄÔ¼90%µÄ¸ßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒº£¬¼ÓÈë5µÎ2g/LÜçËØºìSָʾ¼Á£¬×îºóÿ¸ô3¡«5s¼Ó1µÎ¸ßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒº£¬µÎ¶¨ÖÁµ­ºìÉ«²»ÍÊΪÖյ㡣
·ÖÎö½á¹û¼ÆË㣺
SO42£­£¨mol/L£©=
ʽÖУ¬V1¡ª¡ªÏûºÄ¸ßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒºµÄÌå»ý£¬L;
V¡ª¡ªÎüȡˮÑùµÄÌå»ý£¬L;
c¡ª¡ª¸ßÂÈËá±µ±ê×¼µÎ¶¨ÈÜÒºµÄŨ¶È£¬mol/L¡£

ÂÈÀë×Óº¬Á¿²â¶¨£¬ÎÒÃÇÓõÄÊÇÏõËáÒøµçλµÎ¶¨·¨3ÂÈ»¯Äƺ¬Á¿¡¢pHµÄ²â¶¨
1ÊÔ¼ÁºÍÈÜÒº
ÏõËáÒø±ê×¼ÈÜÒº£ºC£¨AgNO3£©=0.100mol/L£»
ÁòËáÈÜÒº£º50%£¨V/V£©¡£
2ÒÇÆ÷
Ëá¶È¼Æ£»
217Ð͸ʹ¯µç¼«£¬ÄÚ³äÂÈ»¯¼Ø±¥ºÍÈÜÒº£¬Íâ½ÓÏõËá¼ØÑÎÇÅ£»
216ÐÍÒøµç¼«£»
µç´Å½Á°èÆ÷£»
רɫËáʽµÎ¶¨¹Ü£º50 mL£»
²£Á§ÉÕ±­£º150 mL¡£
3²â¶¨²½Öè
³ÆÈ¡Ò»¶¨Á¿ÊÔÑùÓÚ150mLÉÕ±­ÖУ¬¼ÓÈë100mlÕôÁóË®£¬¼ÓÈë´Å×Ó£¬½«ÉÕ±­ÖÃÓÚµç´Å½Á°èÆ÷ÉÏ£¬¿ª¶¯µç´Å½Á°è£¬Ê¹ÆäÈܽâºó£¬ÔÙ½Á°è30Ã룬ºó½«pH¸´ºÏµç¼«·ÅÓÚÉÕ±­£¬´ýÆÁÄ»ÏÔʾÎȶ¨ºó£¬¼ÓÈë50%ÁòËáÈÜÒºËữÖÁpHΪ1.0¡«2.0£¬½«¸´ºÏµç¼«È¡³ö£¬»»ÉÏÒøµç¼«ºÍ¸Ê¹¯µç¼«£¬½Á°è£¬¼Ç¼³õʼµçλֵ¡£¿ªÊ¼ÓÃÏõËáÒø±ê×¼ÈÜÒºµÎ¶¨£¬ÔÚ½üÖÕµãʱ£¬Ã¿µÎ0.1mL£¬¼Ç¼һ´ÎµçλֵºÍµÎ¶¨¹Ü¶ÁÊý£¬ÔÚ³öÏÖͻԾºó£¬Í£Ö¹µÎ¶¨¡£
¼ÆËãÁ½´ÎµÎ¶¨µÄµçλ²îÖµ¡÷V£¬È¡³öÏÖ×î´ó¡÷VʱµÄÌå»ýV¡£
3.4·ÖÎö½á¹ûµÄ±íÊö
ÊÔÑùÖÐÂÈ»¯ÄƵÄÖÊÁ¿·ÖÊýX£¨%£©°´ÏÂʽ¼ÆË㣺
                  c V¡Á 0.0355             c V¡Á 3.55
        X£¨%£©=¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡Á100=¡ª¡ª¡ª¡ª¡ª¡ª¡ª
                        m                   m
ʽÖУºV¡ª¡ªµÎ¶¨ÏûºÄÏõËáÒø±ê×¼ÈÜÒºµÄÌå»ý£¬mL£»
      c¡ª¡ªÏõËáÒø±ê×¼ÈÜÒºµÄŨ¶È£¬mol/L£»
0.0355¡ª¡ªÓë1.00mLÏõËáÒø±ê×¼µÎ¶¨ÈÜÒº£¨0.100mol/L£©Ï൱µÄÒԿ˱íʾµÄÂÈÀë×ÓµÄÖÊÁ¿¡£

[ Last edited by guofx on 2008-6-25 at 14:40 ]
3Â¥2008-06-25 14:33:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guofx

Òø³æ (СÓÐÃûÆø)

ÂÈÀë×ÓÓÃÏõËṯ±ê×¼ÈÜÒºµÎ¶¨Ò²¿É¡£
Àë×ÓÉ«Æ×
4Â¥2008-06-25 14:40:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

~~É­ÀÇ~~

гæ (³õÈëÎÄ̳)

ÎÒÊÔ¹ýÕâÖÖ·½·¨£¬·½·¨ÊDZȽϼòµ¥£¬²»¹ýÆäÖеĸÉÈÅÀë×ӱȽ϶à
ºÜÄÑ´¦Àí£¡
5Â¥2008-06-27 16:09:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ~~É­ÀÇ~~ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +5 ²»»á·ÉµÄÓã@ 2026-04-10 5/250 2026-04-10 19:07 by chemisry
[¿¼ÑÐ] ²ÄÁÏרҵ344Çóµ÷¼Á +16 hualkop 2026-04-10 21/1050 2026-04-10 17:28 by laoshidan
[¿¼ÑÐ] »úе»¹Óл¹ÓÐÃû¶îÂð£¿Ì«ÄÑÁË +6 ЦЦԬ 2026-04-10 6/300 2026-04-10 11:54 by ¸ßά´º
[¿¼ÑÐ] Çóµ÷¼Á +3 µçÆø300Çóµ÷¼Á²» 2026-04-08 3/150 2026-04-10 10:19 by LHGeng
[¿¼ÑÐ] ²ÄÁÏר˶283Çóµ÷¼Á +18 ÊÔÊÔ¿´ß 2026-04-04 19/950 2026-04-10 10:05 by may_ÐÂÓî
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũ΢ÉúÎ288·Ö£¬ÈýÄêʵÑé¾­Àú +10 ´úfish 2026-04-09 10/500 2026-04-10 09:49 by potatoÃÃ
[¿¼ÑÐ] һ־Ը˫·Ç085400µç×ÓÐÅÏ¢344 Çóµ÷¼Á£¬¶Ô²ÄÁϺͻ¯Ñ§·½ÏòÒ²¸ÐÐËȤ +8 ÎÞÇéµÄСÑò 2026-04-09 9/450 2026-04-10 09:30 by ËÉ»¨¸×1201
[¿¼ÑÐ] Çóµ÷¼Á +15 ÕÅzic 2026-04-05 16/800 2026-04-10 08:12 by kangsm
[¿¼ÑÐ] 085500Çóµ÷¼Á²ÄÁÏ +8 Ò×11122 2026-04-09 8/400 2026-04-09 23:15 by parmtree
[¿¼ÑÐ] 269µç×ÓÐÅÏ¢Çóµ÷¼Á£¬¿Éתרҵ +9 ¶À×Ãwl 2026-04-06 9/450 2026-04-09 20:55 by laoshidan
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõרҵһ־Ը¹þ¹¤³Ì 291·ÖBÇø ¹ú¼Ò¼¶´ó´´¸ºÔðÈË ÓÐÒ»×÷ÂÛÎÄ +13 Emmy~ 2026-04-09 13/650 2026-04-09 14:47 by onlyÖÜ
[¿¼ÑÐ] ÕÐÊÕÓлú»¯Ñ§¡¢»¯¹¤£¬Ò©Ñ§£¬Ê³Æ·µÆ×¨ÒµÑ§Éú +3 yrfhjgdj 2026-04-08 3/150 2026-04-09 10:15 by QYQX_123
[¿¼ÑÐ] ¶þ´Îµ÷¼ÁÇóÀÏʦÊÕÁô +3 ЦЦԬ 2026-04-08 3/150 2026-04-08 23:50 by ×íÔÚ·çÀï
[¿¼ÑÐ] ÉúÎïѧѧ˶£¬³õÊÔ351·Ö£¬Çóµ÷¼Á +4 ¡­¡«¡¢Íõ¡­¡« 2026-04-08 5/250 2026-04-08 21:49 by limeifeng
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©º½¿Õº½Ìì´óѧ ²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +11 Mr. Z 2026-04-05 12/600 2026-04-08 16:15 by luoyongfeng
[¿¼ÑÐ] 388Çóµ÷¼Á +6 ËÄ´¨ÍõÌÎ 2026-04-07 8/400 2026-04-08 00:17 by JourneyLucky
[¿¼ÑÐ] ÉúÎïÒ½Ò©µ÷¼Á£üSCIÖпÆÔºÈýÇøÒ»×÷+¶àÏî¿ÆÑгɹû +8 likangxing 2026-04-07 11/550 2026-04-08 00:02 by lys0704
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401Çóµ÷¼Á +4 sunw1306 2026-04-07 4/200 2026-04-07 16:40 by à£à£à£0119
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +6 cs0106 2026-04-05 6/300 2026-04-05 16:34 by imissbao
[¿¼ÑÐ] Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-04 3/150 2026-04-04 12:19 by Éá¶øºóµÃ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û