±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 573  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

dongxuan

Òø³æ (ÕýʽдÊÖ)

ľ³æÂÃÓξֳ¤

[½»Á÷] ¡¾ÇóÖú¡¿ÇóÖúÒ©»¯¿¼ÑÐÎÊÌâ

¿¼ÑÐÔÚ¼´£¬»¹Óм¸µÀרҵ¿ÎÌâÄ¿²»»á×ö£¬Çë¸÷λʦ¸çʦ½ã°ïæ½â´ð£¬Óнð±ÒÔùËÍ¡£½âÌâ²½ÖèÇ뾡Á¿Ïêϸ¡£Ê¦¸çʦ½ãÃÇ¿ÉÒÔ»áÄĵÀ´ðÄĵÀ£¬²»±ØÈ«´ð¡£
1¡¢Ä³Èõ¼îµÄKb=4.2¡Á10¡ª5£¬Å¨¶ÈΪ0.1000mol/L,ÓÃ0.1000mol/LµÄÑÎËáµÎ¶¨£¬»¯Ñ§¼ÆÁ¿µãʱÈÜÒºµÄPH=(      )
2¡¢¼ä½ÓµâÁ¿·¨³£ÒÔµí·ÛΪָʾ¼Á£¬Æä¼ÓÈëµÄÊÊÒËʱ¼äÊÇ£¨    £©
   A µÎ¶¨¿ªÊ¼Ê±¼ÓÈë       B.µÎ¶¨ÖÁ½üÖÕµãʱ¼ÓÈë
   C.µÎ¶¨ÖÁ50£¥Ê±¼ÓÈë     D.µÎ¶¨ÖÁI2µÄºìרɫÍʾ¡£¬ÈÜÒº³ÊÎÞɫʱ¼ÓÈë
3¡¢H2SO4(C1)+HCOOH(C2)Ë®ÈÜÒºµÄÖÊ×ÓʽΪ£¨    £©
4¡¢ÓÃÑÎËá±ê×¼ÈÜÒºµÎ¶¨»ì¼îÑùÆ·£¬ÖÁ·Ó̪±äɫʱÏûºÄ23.40mlÑÎËᣬȻºó¼ÓÈë¼×»ù³È¼ÌÐøµÎ¶¨ÖÁÖյ㣬ÏûºÄÑÎËá×ÜÌå»ýΪ28.85ml£¬¸ÃÑùÆ·×é³ÉÊÇ£¨   £©
A  NaOH   B NaOH+Na2CO3   C Na2CO3+NaHCO3    D Na2CO3
5¡¢ÓÃ0.1000mol/LµÄNaOHºÍ0.1000mol/LµÄKMNO4Á½ÖÖ±ê×¼ÈÜÒºµÎ¶¨ÏàͬÖÊÁ¿µÄKHC2O4•H2C2O4•2H2O,ÏûºÄµÄÌå»ý¹ØÏµÎª£º£¨    £©
A  VNaOH=VKMnO4+  B 3VNaOH=4VKMnO4
C  20VNaOH=3VKMnO4  D 4VNaOH=15VKMnO4
6¡¢ÒÑÖª[Bi3+]=0. 01mol/L£¬lgKBiY=27.94,Ksp£¨Bi£¨OH£©3£©=4¡Á10-31£¬ÔòµÎ¶¨Bi3+×î¸ßËá¶ÈÏÂlg¦ÁY(H)ÖµºÍ×îµÍËá¶È·Ö±ðΪ£¨   £©
A 19.94;4.53   B 17.94;4.53   C19.94;3.87    D 17.94;2.86
Ôڴ˸ÐлÄúµÄ°ïÖú£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

ÒÁ˹̹²¼¶ûÆæ¼£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jqj1010

½ð³æ (ÕýʽдÊÖ)

ÕâЩ¶¼ºÜ»ù±¾µÄ°¡¡£ÈÏÕæ¿´Ï½̲ľͿÉÒÔ½â¾öµÄÁË¡£
4Â¥2009-12-08 13:11:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

zy860129

ľ³æ (СÓÐÃûÆø)

ºÃÉú¿´ÏÂÎ人´óѧµÄ·ÖÎö»¯Ñ§£¬µÚËİæµÄ£¬Äã¶¼»áÁË¡£
3Â¥2009-12-04 22:58:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tang509

½ð³æ (СÓÐÃûÆø)

¿´ÏÂËïØ¹Çì±àµÄ·ÖÎö»¯Ñ§Ï°Ì⼯£¬×öÍê¾Í²î²»¶àÁË¡£³ýÁËÖпÆÔºÏµÁе쬯äËûѧУµÄ¶¼²î²»¶à¡£  Èç¹û¶¼²»»á£¬»¹ÊÇ¿¼×Ô¼º±¾Ð£µÄ°É
5Â¥2009-12-08 22:54:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0703 »¯Ñ§ Çóµ÷¼Á£¬Ò»Ö¾Ô¸É½¶«´óѧ 342 ·Ö +5 Shern¡ª- 2026-03-28 5/250 2026-03-29 23:32 by ·ÉÐÐÈÕ¼ÇÎ÷
[¿¼ÑÐ] 281Çóµ÷¼Á +4 ÑÇ¿ËÎ÷good 2026-03-26 6/300 2026-03-29 21:06 by °¡Àî999
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +6 ÉîVËÞÉá°É 2026-03-29 6/300 2026-03-29 20:51 by ÌÆãå¶ù
[¿¼ÑÐ] ¸÷λÀÏʦºÃ£¬ÎÒµÄһ־ԸΪ±±¾©¿Æ¼¼´óѧ085601²ÄÁÏר˶ +9 Koxui 2026-03-28 9/450 2026-03-29 20:43 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¡¾Çóµ÷¼Á¡¿085601²ÄÁϹ¤³Ìר˶ | ×Ü·Ö272 | +7 ½Å»¬µÄÊØ·¨¹«Ãñ 2026-03-27 7/350 2026-03-29 20:21 by dophin1985
[¿¼ÑÐ] 070305¸ß·Ö×Ó»¯Ñ§ÓëÎïÀí 304·ÖÇóµ÷¼Á +12 c297914 2026-03-28 12/600 2026-03-29 16:21 by Serene1974
[¿¼ÑÐ] 298Çóµ÷¼Á +3 ÖÖÊ¥´Í 2026-03-29 3/150 2026-03-29 12:06 by longlotian
[¿¼ÑÐ] 316Çóµ÷¼Á +7 ½­´Ç666 2026-03-26 7/350 2026-03-28 21:28 by sanrepian
[¿¼ÑÐ] 347Çóµ÷¼Á +3 ɽ¶¥¼û¦Á 2026-03-25 3/150 2026-03-28 14:13 by ÌÆãå¶ù
[¿¼ÑÐ] 322Çóµ÷¼Á +5 ¾É… 2026-03-24 5/250 2026-03-28 13:26 by Iveryant
[¿¼ÑÐ] 085701»·¾³¹¤³Ì£¬267Çóµ÷¼Á +16 minht 2026-03-26 16/800 2026-03-28 12:16 by zllcz
[¿¼ÑÐ] 291Çóµ÷¼Á +15 hhhhxn.. 2026-03-23 21/1050 2026-03-28 11:26 by self2008
[¿¼ÑÐ] 330Ò»Ö¾Ô¸Öйúº£Ñó´óѧ »¯Ñ§¹¤³Ì 085602 ÓжÁ²©ÒâÔ¸ Çóµ÷¼Á +3 wywy.. 2026-03-27 4/200 2026-03-28 03:32 by fmesaito
[¿¼ÑÐ] 0856µ÷¼Á +5 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 6/300 2026-03-27 15:12 by caszguilin
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á£¬Ò»Ö¾Ô¸ÄÏÅ©083200ʳƷ¿ÆÑ§Ó빤³Ì +5 XQTJZ 2026-03-26 5/250 2026-03-27 14:49 by ¿ñìÅÂóµ±µ±
[¿¼ÑÐ] 085600£¬²ÄÁÏÓ뻯¹¤321·Ö£¬Çóµ÷¼Á +9 ´ó²öС×Ó 2026-03-27 9/450 2026-03-27 14:30 by mmm just
[¿¼ÑÐ] 343Çóµ÷¼Á +4 ÔùÎÒÒ»±¾Êé 2026-03-23 4/200 2026-03-27 00:40 by wxiongid
[¿¼ÑÐ] 281Çóµ÷¼Á +6 Koxui 2026-03-24 7/350 2026-03-26 15:37 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 347Çóµ÷¼Á +4 L when 2026-03-25 4/200 2026-03-25 13:37 by cocolv
[¿¼ÑÐ] 0854È˹¤ÖÇÄÜ·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-24 4/200 2026-03-25 13:29 by 2177681040
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û