Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 1296  |  »Ø¸´: 9
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Ë­ÖªµÀ

Ìú³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú/½»Á÷¡¿Çó0.1 N NaOH Åä·½

Çó£º0.1 N NaOH Åä·½    ÐèÒª±ê¶¨Â𣿻¹Êǽ«4g NaOH ÈÜÓÚ1L Ë®ÖоÍOKÁË£¿ÎÊÌâÓеãÈõ£¬ÆÚ´ý´ó¼ÒµÄ»Ø¸´°¡£¡
»Ø¸´´ËÂ¥
ÿ¸öÈËÒ»±²×Ó´ÓÀ´¶¼ÊÇÒ»¸öÈË
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÙþÁÁµí·Ûø

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

ÉúÎï´ó·Ö×Ó½µ½âø

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
²»ºÃÒâ˼°¡£¬ÎÒÔÚËÄÂ¥£¬ÎÒ¸Õ¿ªÊ¼²»Ï°¹ßÒ²×ÜÊǸã»ìÕâ¸öÂÛ̳µÄÂ¥²ã£¬ÏÖÔÚҪ˵µ½Â¥²ãµÄʱºòÒ²ÒªÏȼì²éһϣ¬»¹ÒªÒ»¶Îʱ¼ä²ÅÄÜϰ¹ß¡£
Á÷ÐÇÀ´Ê±ÎÒÐíÁ˸öÔ¸£¬Ô¸ÎÒÓгÔÓкȻ¹ÓÐÊæ·þµÄÖíȦ¡£ÌÖÑá·¢Ìûǰ²»ËÑË÷ÂÛÌ³ÖØ¸´·¢ÌûºÍ½ö°ÑÂÛ̳µ±½â¾öÎÊÌ⹤¾ß£¬¾Ã²»¿´ÂÛ̳һÀ´¾ÍÌáÎÊÕߣ¬ÄþÆúEPIºÍVIPÒ²²»»ØÌû¡£
9Â¥2010-03-15 22:38:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

beenomics

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÓÎÏ·È˼äµÄ×¾ÁÓµÄÔìÃÎʦ

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
1949stone(½ð±Ò+1):ͬÒâ 2010-03-12 15:39
0.1 N Ó¦¸ÃÊÇ1M°É£¿40gÈÜÓÚ1L°É¡£Ò»°ãÓò»ÐèÒª±ê¶¨
ÔÚÉîÉîµÄÃÔãÖÐÅÇ»²
2Â¥2010-03-12 11:00:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

qrb

½ð³æ (СÓÐÃûÆø)

ÆßÒ¶Ò»Ö¦»¨

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
1949stone:°´Ò©µä×ö 2010-03-12 15:39
µÎ¶¨ÓõÄÒª±ê¶¨µÄ£¬Ò©µäÉÏÓÐ˵Ã÷
3Â¥2010-03-12 11:34:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÙþÁÁµí·Ûø

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

ÉúÎï´ó·Ö×Ó½µ½âø

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
NÊǵ±Á¿£¬¶ÔÓÚÇâÑõ»¯ÄÆÕâÖÖÕý¸ºÀë×Ó¶¼ÊÇÒ»¼Û½áºÏµÄ¾ÍÊÇ1Ħ¶ûÿÉý£¬¾«È·µÄ·Ö×ÓÁ¿²»ÊÇ40.
Á÷ÐÇÀ´Ê±ÎÒÐíÁ˸öÔ¸£¬Ô¸ÎÒÓгÔÓкȻ¹ÓÐÊæ·þµÄÖíȦ¡£ÌÖÑá·¢Ìûǰ²»ËÑË÷ÂÛÌ³ÖØ¸´·¢ÌûºÍ½ö°ÑÂÛ̳µ±½â¾öÎÊÌ⹤¾ß£¬¾Ã²»¿´ÂÛ̳һÀ´¾ÍÌáÎÊÕߣ¬ÄþÆúEPIºÍVIPÒ²²»»ØÌû¡£
4Â¥2010-03-12 12:03:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +5 Ò¶zilin 2026-04-13 5/250 2026-04-13 16:50 by Delta2012
[¿¼ÑÐ] ²ÄÁϸ´ÊÔÇóµ÷¼Á +24 xhhdjdjsjks 2026-04-09 24/1200 2026-04-13 15:49 by ÐÒÃâ ..
[˶²©¼ÒÔ°] ÓÐûÓÐѧУ²ÄÁÏרҵÊÕ¿çµ÷(Ò»Ö¾Ô¸085410) +13 momo(Éϰ¶°æ) 2026-04-06 16/800 2026-04-13 15:27 by Xurambo2014
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +23 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 26/1300 2026-04-13 14:22 by ÕÅzhihao
[¿¼ÑÐ] 071000ÉúÎïѧ£¬Ò»Ö¾Ô¸ÉîÛÚ´óѧ296·Ö£¬Çóµ÷¼Á +14 TIckLw 2026-04-06 15/750 2026-04-13 10:59 by ѧzh
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] 086000µ÷¼Á +6 Ê®Æßsa 2026-04-07 6/300 2026-04-12 11:05 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 312Çóµ÷¼Á +6 Àîºè·É·É 2026-04-06 6/300 2026-04-12 00:34 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µç×ÓÐÅÏ¢279Çóµ÷¼Á£¬ÓÐÊé¶Á¾ÍÐÐ +8 wwwooden 2026-04-08 11/550 2026-04-11 20:22 by cq2548
[¿¼ÑÐ] Çóµ÷¼Á +6 archer.. 2026-04-09 8/400 2026-04-11 10:55 by zhq0425
[¿¼ÑÐ] µ÷¼Á +12 ¾í¾í¾íÐIJË_ 2026-04-09 13/650 2026-04-10 22:36 by Ftglcn90
[¿¼ÑÐ] 083200 305·Ö Çó¶þÂÖµ÷¼Á ²»½ÓÊÜ¿çרҵ +9 Claireyyyy 2026-04-09 10/500 2026-04-10 21:21 by Claireyyyy
[¿¼ÑÐ] 265Çóµ÷¼Á +12 ·ç˵ËýÔçÍüÁË 2026-04-10 13/650 2026-04-10 18:56 by chemisry
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼ÁÇóÖú +17 zzzzwww 2026-04-09 20/1000 2026-04-10 15:55 by Çóµ÷¼Ázz
[¿¼ÑÐ] Ò»Ö¾Ô¸Öпƴó070300»¯Ñ§£¬314·ÖÇóµ÷¼Á +12 wakeluofu 2026-04-09 12/600 2026-04-10 09:57 by liuhuiying09
[¿¼²©] ²©Ê¿×Ô¼ö +7 ¿É¿ÉСÅÖ 2026-04-08 7/350 2026-04-10 08:28 by kimhero
[¿¼ÑÐ] 085404£¬285·ÖÇóµ÷¼Á +12 Þ±Þ±¿¼ÑÐ 2026-04-07 14/700 2026-04-09 23:10 by parmtree
[¿¼ÑÐ] 311Çóµ÷¼Á +6 surte 2026-04-08 13/650 2026-04-09 14:00 by surte
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322 +18 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 19/950 2026-04-09 10:44 by cymywx
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄÏ´óѧÉúÎïѧѧ˶344 ÇóÉúÎïѧÏà¹Øµ÷¼Á/ÉúÎïÓëÒ½Ò© +7 ³¬È˲»»á·É@ 2026-04-08 7/350 2026-04-09 09:35 by gong120082
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û