Znn3bq.jpeg
²é¿´: 581  |  »Ø¸´: 4
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

clbk

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

³ÂÍõ

[½»Á÷] ¡¾ÇóÖú¡¿Á×Ëá³ÉÑεÄ˳Ðò¡£¡£¡£¡£

Á×ËáÓÐÈý¸öôÇ»ù£¬ËûºÍÇ¿¼îNaOH·´Ó¦³ÉÑΡ£ÊÇÏÈÍêÈ«Éú³ÉÁ×Ëá¶þÇâÄÆÖ®ºó£¬ÁíÒ»¸öôÇ»ù¼ÌÐø·´Ó¦Éú³ÉÁ×ËáÇâ¶þÄÆ£¿»¹ÊÇÒ»¹øÖà·´Ó¦°¡ £¿
  ±¾È˸ãÓлúµÄ£¬ÎÞ»úÍüµÄ¸ö²î²»¶àÁË£¬£¬£¬Çë´Í½Ì°¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

²ÜÖ²£»¡¶ÂåÉñ¸³¡·ôæÈô¾ªºè£¬ÍñÈôÓÎÁú
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luoyuan08

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï
dfq0730(½ð±Ò+2,VIP+0):¸ÐлӦÖú~ 10-28 10:05
1.Á×ËáÊÇÈýÔªËᣬ¸úÇâÑõ»¯ÄÆ·´Ó¦£¬¿ÉÄÜÉú³ÉNaH2PO4,Na2HPO4,Na3PO4,Õâ¾ö¶¨ÓÚÁ½ÕßµÄÓÃÁ¿£¬»¹ÓпÉÄÜÊÇ»ìºÏÎÈ磺Na2HPO4,Na3PO4¡£
2.Á×ËáÊÇÖÐÇ¿ËᣬдÀë×Ó·½³Ìʽʱ²»Äܲ𿪡£
H3PO4 + OH- = H2PO4- + H2O
H2PO4- + OH- = HPO42- + H2O
HPO42- + OH- = PO43- + H2O

H3PO4 + OH- = PO43- + 3H2O
ÌìÌìÏòÉÏ£¡£¡£¡
2Â¥2009-10-28 09:33:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

liuyunli03

½ð³æ (³õÈëÎÄ̳)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
½¨Òé¿´·ÖÎö»¯Ñ§µÄÖ𲽵ζ¨
3Â¥2009-11-01 08:10:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

siwei2009

Òø³æ (ÕýʽдÊÖ)

¾ÍÊÇÏÈ¿´¿´ÓйØÔ­ÀíÔÙ˵
4Â¥2009-11-05 18:06:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wyender

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ÒýÓûØÌû:
Originally posted by luoyuan08 at 2009-10-28 09:33:
1.Á×ËáÊÇÈýÔªËᣬ¸úÇâÑõ»¯ÄÆ·´Ó¦£¬¿ÉÄÜÉú³ÉNaH2PO4,Na2HPO4,Na3PO4,Õâ¾ö¶¨ÓÚÁ½ÕßµÄÓÃÁ¿£¬»¹ÓпÉÄÜÊÇ»ìºÏÎÈ磺Na2HPO4,Na3PO4¡£
2.Á×ËáÊÇÖÐÇ¿ËᣬдÀë×Ó·½³Ìʽʱ²»Äܲ𿪡£
H3PO4 + OH- = H2PO4- + H2O
H2PO ...

ÎҼǵÃÁ×ËáÓ¦¸Ã°´¶þÔªËá´¦Àí°É
Õý³£½âÀëʱ×îºóÒ»¸öÇâºÜÄѽâÀë³öÀ´
5Â¥2009-11-06 13:46:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ clbk µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-04-10 6/300 2026-04-11 05:23 by zhuwenxu
[¿¼ÑÐ] µ÷¼Á »¯Ñ§ 307 +21 73372112 2026-04-09 23/1150 2026-04-10 23:53 by wj165256
[¿¼ÑÐ] ±¾9 Ò»Ö¾Ô¸Î÷¹¤´ó085601 324Çóµ÷¼Á +5 wysyjs25 2026-04-10 5/250 2026-04-10 16:57 by luoyongfeng
[¿¼ÑÐ] 336²ÄÁÏÓ뻯¹¤085600Çóµ÷¼Á +21 Ë®ÐǼÇinfp 2026-04-05 24/1200 2026-04-10 15:28 by luoyongfeng
[¿¼ÑÐ] 269Çóµ÷¼Á +10 °¡°¡ÎÒÎÒ 2026-04-07 10/500 2026-04-10 10:38 by ¸ßά´º
[¿¼ÑÐ] 22408 352·ÖÇóµ÷¼Á0854Àà +3 ŬÁ¦µÄÏÄÄ© 2026-04-09 3/150 2026-04-10 10:12 by 314126402
[¿¼ÑÐ] Çó +6 »¯¹¤×¨Ë¶323·Ö 2026-04-04 6/300 2026-04-10 10:04 by may_ÐÂÓî
[¿¼ÑÐ] 08¹¤Ñ§ 309·ÖÇóµ÷¼Á +6 Yin DY 2026-04-08 6/300 2026-04-10 09:18 by Delta2012
[¿¼ÑÐ] Ò»Ö¾Ô¸2110£¬»¯Ñ§Ñ§Ë¶310·Ö£¬±¾¿ÆÖصãË«·ÇÇóµ÷¼Á +18 ŬÁ¦·Ü¶·112 2026-04-08 18/900 2026-04-09 23:28 by wolf97
[¿¼ÑÐ] 284Çóµ÷¼Á +7 ÈÃÎÒÉϰ¶°É°¢Î÷ 2026-04-09 7/350 2026-04-09 18:59 by haironglove
[¿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
[¿¼ÑÐ] Èí¼þ¹¤³ÌÇóµ÷¼Á22Èí¹¤296·ÖÇóµ÷¼Á£¬½ÓÊÜ¿çµ÷ +4 yangchen2017 2026-04-08 5/250 2026-04-08 21:56 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 22408 266Çóµ÷¼Á +11 masss11222 2026-04-07 14/700 2026-04-08 11:06 by yulian1987
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401Çóµ÷¼Á +4 sunw1306 2026-04-07 4/200 2026-04-07 16:40 by à£à£à£0119
[¿¼ÑÐ] 22408 318·ÖÇóµ÷¼Á +4 ÇڷܵÄСÁý°ü 2026-04-06 6/300 2026-04-07 15:05 by Ö½º×555
[¿¼ÑÐ] 316Çóµ÷¼Á +7 yyxÏëµ÷¼Á 2026-04-05 7/350 2026-04-07 14:31 by shdgaomin
[¿¼ÑÐ] 312Çóµ÷¼Á +4 LR6 2026-04-06 4/200 2026-04-07 08:42 by jp9609
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +10 cs0106 2026-04-05 12/600 2026-04-06 19:41 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 302·Ö 085601Çóµ÷¼ÁÍÆ¼ö +11 zyxÉϰ¶£¡ 2026-04-05 11/550 2026-04-05 22:13 by dongzh2009
[¿¼ÑÐ] Çóµ÷¼Á +10 Hllºú 2026-04-04 10/500 2026-04-05 20:09 by nepu_uu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û