±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1588  |  »Ø¸´: 0
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

prochina

Ìú³æ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú¡¿ÔõôÅäÖÃ0.02mol/L PH=4 µÄÒÒËáï§ÈÜÒº£¿

ÎÒÔÚ×ö ʳƷÖкϳÉ×ÅÉ«¼ÁµÄ²â¶¨ÖÐÓöµ½ÎÊÌ⣬×î³õÅäÖõÄ0.02mol/LÒÒËáï§ ÊÇÖÐÐԵģ¬Ã¿ÖÖÉ«ËØ³ö·å¶¼ÊÇÒ»´óÛ磬»³ÒÉÊDz»ÊÇ»º³åÈÜҺûÓÐÅäÖõ½ PH=4µÄÔ­Òò£¿»¹ÊDZê׼Ʒ×ÔÉíµÄÔ­Òò£¬Á˽â×ö¹ýµÄ´óÏÀÇëÖ¸µã£¬ÁíÍ⣬ÎÒÓÃÒÒËáµ÷½ÚPHÖµ£¬¼ÓÁ˺ܶàÒÒËáPHÒ²¾ÍÊÇÄܵ÷µ½5µÄÑù×Ó£¬Çë½Ì0.02mol/L PH=4  µÄÒÒËáï§ÈÜÒº PHÖµÊÇÔõôµ÷½ÚµÄ£¿Ð»Ð»ÁË
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ prochina µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +22 ²×º£ÇáÖÛe 2026-04-02 24/1200 2026-04-04 19:02 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 368Çóµ÷¼Á +5 ½ñ»ªÏ° 2026-04-03 7/350 2026-04-04 18:47 by imissbao
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +3 ioodiiij 2026-04-04 3/150 2026-04-04 18:46 by gwyan3410
[¿¼ÑÐ] 081700ѧ˶£¬323·Ö£¬Ò»Ö¾Ô¸Öйúº£Ñó´óѧÇóµ÷¼ÁѧУ +10 ÅûÐÇºÓ 2026-04-04 10/500 2026-04-04 18:17 by liu823948201
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ´óѧ0710£¨A£©³õÊÔ329·Ö Çóµ÷¼Á +3 Ò»Ãû26¿¼ÑÐÉú 2026-04-04 3/150 2026-04-04 17:10 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸C9µÄ»¯Ñ§¹¤³Ì£¨085602£© 340·Ö£¬¸Ð¾õУÄÚµ÷¼ÁÎÞÍû£¬Çóµ÷¼Á +9 ÍòÊÂÒËÕé 2026-04-04 9/450 2026-04-04 11:49 by à£à£à£0119
[¿¼ÑÐ] »¯Ñ§µ÷¼ÁÇóÖú +6 LULONG1 2026-04-03 6/300 2026-04-03 23:13 by qzxyhcsy
[¿¼ÑÐ] Çóµ÷¼Á +3 wos666 2026-04-03 3/150 2026-04-03 21:36 by lbsjt
[¿¼ÑÐ] ÍÁľˮÀû328·ÖÇóµ÷¼Á +6 ¼²·çÖª¾¢²Ý666 2026-04-02 6/300 2026-04-03 11:38 by znian
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 bvzz 2026-04-01 3/150 2026-04-03 09:47 by À¶ÔÆË¼Óê
[¿¼ÑÐ] »·¾³¿ÆÑ§Ó빤³Ì334·ÖÇóµ÷¼Á +7 ÍõÒ»Ò»ÒÀÒÀ 2026-03-30 9/450 2026-04-02 21:15 by 1104338198
[¿¼ÑÐ] 293Çóµ÷¼Á +4 çæçæÀÖ 2026-04-02 4/200 2026-04-02 20:10 by 6781022
[ÂÛÎÄͶ¸å] chinese chemical lettersÓ¢ÎİæÍ¶¸åÇóÖú 120+4 Yishengeryi 2026-03-30 6/300 2026-04-02 17:19 by Yishengeryi
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +4 ÍÛºôºßºôºß 2026-04-02 4/200 2026-04-02 13:10 by yulian1987
[¿¼ÑÐ] 272Çóµ÷¼Á£¬½ÓÊÜ¿çרҵµ÷¼Á£¡ +4 ÏÐÓ㬠2026-03-31 4/200 2026-04-02 11:18 by guyan1000
[¿¼ÑÐ] Ò»Ö¾Ô¸9³õÊÔ366 ±¾Ë«·ÇÇóµ÷¼Á +4 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 4/200 2026-04-02 09:56 by guanxin1001
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì£¬×Ü·Ö358 +4 cs0106 2026-04-01 4/200 2026-04-02 07:42 by ÉÐË®¸óÖ÷
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 hyzzzzzzz. 2026-04-01 9/450 2026-04-01 14:20 by salamander`
[¿¼ÑÐ] 262Çóµ÷¼Á +9 ÀøÖ¾Ò»¶¨·¢ÎÄÕ 2026-03-31 10/500 2026-04-01 12:22 by sunshine0013
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +6 lmnlzy 2026-03-31 6/300 2026-04-01 11:02 by ÄæË®³Ë·ç
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û