²é¿´: 1035  |  »Ø¸´: 4

gigiloveu

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] Çë½ÌÔõÑùÅäÖÆ»º³åÈÜÒº ÒÑÓÐ2È˲ÎÓë

ÇëÎÊÔõôÓÃÇâÑõ»¯ÄƺÍÁ×ËáÅäÖÃpH=2.2£¬0.5mol/LµÄ»º³åÈÜÒº£¿Ð»Ð»£¡

[ Last edited by sddtc888 on 2014-3-3 at 12:07 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jiagle

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sddtc888: ½ð±Ò+1, ¸ÐлӦÖú£¬»¶Ó­³£À´£¡ 2014-03-03 12:07:55
H3PO4µÄpKa1=2.2£¬Ö»ÒªÊ¹H3PO4ºÍH2PO4(-) [ÈçʹÓÃNaH2PO4]µÄŨ¶ÈÏàµÈ¾Í¿ÉÒÔÁË¡£
Èç¹û0.5MÊÇ×ÜPµÄŨ¶È£¬ÔòÈÜÒºÖеÄH3PO4ºÍNaH2PO4µÄŨ¶È¶¼ÊÇ0.25M¾ÍÐÐÁË¡£
2Â¥2014-03-03 11:43:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gigiloveu

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by jiagle at 2014-03-03 11:43:03
H3PO4µÄpKa1=2.2£¬Ö»ÒªÊ¹H3PO4ºÍH2PO4(-) µÄŨ¶ÈÏàµÈ¾Í¿ÉÒÔÁË¡£
Èç¹û0.5MÊÇ×ÜPµÄŨ¶È£¬ÔòÈÜÒºÖеÄH3PO4ºÍNaH2PO4µÄŨ¶È¶¼ÊÇ0.25M¾ÍÐÐÁË¡£

ÇëÎÊ ÓоßÌåµÄ¹«Ê½Ê²Ã´Âð  ÎÒ¿´µÄ²»ÊǺܶ®
3Â¥2014-03-03 17:27:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

boyue8260

ľ³æ (ÕýʽдÊÖ)

ÓÉ»¯¹¤×ªÈëÌÕ´ÉÐÐÒµ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
sddtc888: ½ð±Ò+1, ¸ÐлӦÖú£¬»¶Ó­³£À´£¡ 2014-03-04 09:06:36
°ÑËüÅä³ÉÈõËáÐÔÑκÍÈõ¼îÐÔÑÎŨ¶ÈÏàͬ¾Í¿ÉÒÔѽ

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
Óлú¸ß·Ö×ÓרҵÏÈתÐл¯¹¤£¬ÏÖÔÚ´ÓÊÂÌÕ´ÉÐÐÒµ
4Â¥2014-03-04 02:39:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jiagle

ר¼Ò¹ËÎÊ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
sddtc888: ½ð±Ò+1, Ó¦ÖúÖ¸Êý+1, ¸ÐлӦÖú£¬»¶Ó­³£À´£¡ 2014-03-04 12:36:59
ÒýÓûØÌû:
3Â¥: Originally posted by gigiloveu at 2014-03-03 17:27:37
ÇëÎÊ ÓоßÌåµÄ¹«Ê½Ê²Ã´Âð  ÎÒ¿´µÄ²»ÊǺܶ® ...

pH = pKa1 - lg[c(H3PO4)/c(NaH2PO4)]
5Â¥2014-03-04 11:55:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ gigiloveu µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤¿¼Ñе÷¼Á +9 ‹üÈA 2026-03-22 9/450 2026-03-25 13:09 by cmz0325
[¿¼ÑÐ] ×Ü·Ö293Çóµ÷¼Á +4 ¼ÓÒ»Ò»¾Å 2026-03-25 4/200 2026-03-25 12:56 by Dyhoer
[¿¼ÑÐ] 271Çóµ÷¼Á +4 ÉúÈçÏÄ»¨¡­ 2026-03-22 4/200 2026-03-25 11:25 by userper
[¿¼ÑÐ] 278Çóµ÷¼Á +4 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-19 4/200 2026-03-25 11:01 by userper
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +6 Stella_Yao 2026-03-20 6/300 2026-03-25 00:37 by baoball
[¿¼ÑÐ] 0854 ¿¼Ñе÷¼Á ÕÐÉúÁË£¡AI ·½Ïò +5 pk3725069 2026-03-19 17/850 2026-03-24 17:30 by zhouxuan..
[¿¼ÑÐ] Çóµ÷¼Á +5 ÁÖ֮Ϧ 2026-03-24 5/250 2026-03-24 17:16 by dick_runner
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ²ÄÁÏÓ뻯¹¤ 264·Ö¸÷¿Æ¹ýAÇø¹ú¼ÒÏß +3 ¹þ¹þ157349 2026-03-21 3/150 2026-03-24 14:11 by zhyzzh
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ 070300 ѧ˶ 336·Ö Çóµ÷¼Á +7 vvÃÔ 2026-03-22 7/350 2026-03-23 23:44 by Txy@872106
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ALULU4408 2026-03-23 3/150 2026-03-23 19:04 by macy2011
[¿¼ÑÐ] 333Çóµ÷¼Á +6 87639 2026-03-21 10/500 2026-03-23 10:41 by Iveryant
[¿¼ÑÐ] ʯºÓ×Ó´óѧ£¨211¡¢Ë«Ò»Á÷£©Ë¶²©Ñо¿Éú³¤ÆÚÕÐÉú¹«¸æ +3 Àî×ÓÄ¿ 2026-03-22 3/150 2026-03-22 21:01 by ÔõôÊÍ»³
[¿¼ÑÐ] Çóµ÷¼ÁԺУÐÅÏ¢ +6 CX 330 2026-03-21 6/300 2026-03-22 15:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] 260Çóµ÷¼Á +3 ÖìÜÆÁÕ 2026-03-20 4/200 2026-03-22 15:12 by ÖìÜÆÁÕ
[¿¼ÑÐ] 303Çóµ÷¼Á +5 °²ÒäÁé 2026-03-22 6/300 2026-03-22 12:46 by ËØÑÕÇã³Ç1988
[¿¼ÑÐ] 22 350 ±¾¿Æ985Çóµ÷¼Á£¬ÇóÀϵÇÊÕÁô +3 ÀîéóÄÐ003 2026-03-20 3/150 2026-03-21 13:28 by ²«»÷518
[¿¼ÑÐ] Çóµ÷¼Á +3 °×QF 2026-03-21 3/150 2026-03-21 13:12 by zhukairuo
[¿¼ÑÐ] 332Çóµ÷¼Á +3 ·ï»ËÔº¶¡Õæ 2026-03-20 3/150 2026-03-21 10:27 by luoyongfeng
[¿¼ÑÐ] ²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö +11 adaie 2026-03-19 11/550 2026-03-20 21:30 by laoshidan
[¿¼ÑÐ] 0856µ÷¼Á£¬ÊÇѧУ¾ÍÈ¥ +8 sllhht 2026-03-19 9/450 2026-03-20 14:25 by ÎÞи¿É»÷111
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û