²é¿´: 1033  |  »Ø¸´: 4
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

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

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
²é¿´È«²¿ 5 ¸ö»Ø´ð

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

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
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 278Çóµ÷¼Á +4 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-19 4/200 2026-03-25 11:01 by userper
[¿¼ÑÐ] 086003ʳƷ¹¤³ÌÇóµ÷¼Á +6 íµíµ111 2026-03-24 6/300 2026-03-25 10:29 by 3Strings
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +4 ³¿»èÏßÓëÐǺ£ 2026-03-20 4/200 2026-03-25 10:16 by allen-yin
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +5 Sxy112 2026-03-21 7/350 2026-03-24 12:27 by 544594351
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Àí¹¤´óѧ081700£¬³õÊÔ·ÖÊý271 +5 kotoko_ik 2026-03-23 6/300 2026-03-24 10:29 by ѧÊõ°áשer
[¿¼²©] 26É격×Ô¼ö +3 whh869393 2026-03-24 3/150 2026-03-24 09:55 by 21018060
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ±±¹¤Òµ´óѧ0817»¯¹¤278·ÖÇóµ÷¼Á +7 jhybd 2026-03-23 12/600 2026-03-24 09:03 by jhybd
[»ù½ðÉêÇë] Çë½ÌÏ´ó¼Ò 2026Äê¹ú¼Ò»ù½ðÉêÇëÊÇ˫äÉóÂ𣿠+3 lishucheng1 2026-03-22 5/250 2026-03-24 08:22 by gltch
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +4 cccchenso 2026-03-23 4/200 2026-03-23 23:00 by Ðìckkk
[¿¼ÑÐ] 323Çóµ÷¼Á +6 ÍÝСͰ 2026-03-18 6/300 2026-03-23 00:29 by king123£¡
[¿¼ÑÐ] 308Çóµ÷¼Á +3 īīĮ 2026-03-21 3/150 2026-03-22 16:54 by i_cooler
[¿¼ÑÐ] 298Çóµ÷¼ÁÒ»Ö¾Ô¸211 +3 Éϰ¶6666@ 2026-03-20 3/150 2026-03-22 15:50 by ColorlessPI
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ070300 ѧ˶336Çóµ÷¼Á +5 vvÃÔ 2026-03-21 8/400 2026-03-22 14:20 by ColorlessPI
[¿¼ÑÐ] 311Çóµ÷¼Á +3 Ó¸ҵÄСÎâ 2026-03-20 3/150 2026-03-21 17:40 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +3 .m.. 2026-03-21 4/200 2026-03-21 16:25 by barlinike
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 9/450 2026-03-21 16:12 by babangida
[¿¼ÑÐ] 332Çóµ÷¼Á +3 ·ï»ËÔº¶¡Õæ 2026-03-20 3/150 2026-03-21 10:27 by luoyongfeng
[¿¼ÑÐ] 330Çóµ÷¼Á +4 С²Ä»¯±¾¿Æ 2026-03-18 4/200 2026-03-20 23:13 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î人Àí¹¤²ÄÁϹ¤³Ìר˶µ÷¼Á +9 Doleres 2026-03-19 9/450 2026-03-20 22:36 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û