²é¿´: 570  |  »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¥
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] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Ϊѧ666 2026-03-16 7/350 2026-03-19 14:48 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] Çóµ÷¼Á +3 Mqqqqqq 2026-03-19 3/150 2026-03-19 14:11 by peike
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ£¬327·Ö£¬²ÄÁÏÓ뻯¹¤085600 +3 Ncdx123456 2026-03-19 3/150 2026-03-19 13:18 by houyaoxu
[¿¼ÑÐ] 267Ò»Ö¾Ô¸ÄϾ©¹¤Òµ´óѧ0817»¯¹¤Çóµ÷¼Á +10 SUICHILD 2026-03-12 10/500 2026-03-19 09:51 by Delta2012
[¿¼ÑÐ] 0703»¯Ñ§ 305Çóµ÷¼Á +4 FY_yy 2026-03-14 4/200 2026-03-19 05:54 by anny19840123
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +4 ²Ä»¯ÖðÃÎÈË 2026-03-18 4/200 2026-03-18 14:22 by 007_lilei
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑо­Àú +10 êØÎõÙâ 2026-03-15 10/500 2026-03-18 14:19 by 007_lilei
[¿¼ÑÐ] ÊÕ¸´ÊÔµ÷¼ÁÉú +4 ÓêºóÇïºÉ 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á ×Ü·Ö331 +3 ZY-05 2026-03-13 3/150 2026-03-18 10:58 by macy2011
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +3 ÄÝÄÝninicgb 2026-03-17 3/150 2026-03-18 10:29 by macy2011
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] 26¿¼ÑÐÇóµ÷¼Á +6 ؼºêSir 2026-03-13 6/300 2026-03-17 16:13 by ×íÔÚ·çÀï
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁϹ¤³Ì£¨085601£©×¨Ë¶ÓпÆÑо­ÀúÈýÏî¹ú½±Á½¸öʵÓÃÐÍרÀûÒ»ÏîÊ¡¼¶Á¢Ïî +6 ´ó»ðɽС»ðɽ 2026-03-16 8/400 2026-03-17 15:05 by ÎÞи¿É»÷111
[¿¼²©] 26É격 +4 °Ë6°Ë68 2026-03-16 4/200 2026-03-17 13:00 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
[¿¼ÑÐ] [µ¼Ê¦ÍƼö]Î÷ÄϿƼ¼´óѧ¹ú·À/²ÄÁϵ¼Ê¦ÍƼö +3 ¼â½ÇСºÉ 2026-03-16 6/300 2026-03-16 23:21 by ¼â½ÇСºÉ
[¿¼ÑÐ] Ò»Ö¾Ô¸211 0703·½Ïò310·ÖÇóµ÷¼Á +3 ŬÁ¦·Ü¶·112 2026-03-15 3/150 2026-03-16 16:44 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐʦ·¶071000£¬325Çóµ÷¼Á +6 RuitingC 2026-03-12 6/300 2026-03-16 14:50 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] 288Çóµ÷¼Á +4 Ææµã0314 2026-03-14 4/200 2026-03-14 23:04 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û