²é¿´: 442  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

yuanyuan040601

ľ³æ (СÓÐÃûÆø)

[½»Á÷] Çó½Ì:ÈÜÒºµÄÅäÖÆ·½·¨

Çó½Ì:a,0.01mol/LµÄÏ¡ÏõËáÈÜÒºµÄÅäÖÆ·½·¨?
       b,20%µÄNaCO3(̼ËáÄÆ)ÈÜÒºµÄÅäÖÆ·½·¨?
»Ø¸´´ËÂ¥
ŬÁ¦»î³ö¾«²ÊµÄÉú»î£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangkj80

ÈÙÓþ°æÖ÷ (ÕýʽдÊÖ)

Сľ³æÓµ»¤Õß

¡ï
catju(½ð±Ò+1,VIP+0):3ks
Â¥ÉϵÄÅäÖÆÊÇ´ÖÅä
´ÖÅäÍêÖ®ºó£¬Èç¹ûÄãÒªÓõıȽϾ«È·µÄ»°£¬Ñ¡Ôñ»ù×¼ÎïÖÊ£¬µÎ¶¨
3Â¥2008-03-19 17:17:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

lbwm120

Ìú¸Ëľ³æ (СÓÐÃûÆø)

¡ï
catju(½ð±Ò+1,VIP+0):¹ÄÀøÐÂÊÖ·¢ÑÔ£¡
a:ÏÈËã³öƿװÏõËáĦ¶ûŨ¶È£¨Õâ¸ö¿ÉÒÔͨ¹ýƿװµÄÏõËẬÁ¿£¬Ãܶȣ¬ÏõËá·Ö×ÓÁ¿½øÐУ¬ÏÖÔÚÎÞ·¨»Ø¸´×¼È·´ð°¸£©£¬Í¨¹ýÎïÖʵÄÁ¿ÔÙ»»Ëã¹ýÀ´¾Í¿ÉÒÔÁË¡£
b.20%µÄNaCO3(̼ËáÄÆ)ÈÜÒºµÄÅäÖÆ·½·¨:20¿Ë̼ËáÄÆ+80¿ËË®
2Â¥2008-03-19 11:01:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jrma0311

ľ³æ (СÓÐÃûÆø)

ÓôÃÆ

yuanyuan040601
ÄãÊǸÉʲôµÄ£¬ÄãµÄÎÊÌâºÜ¼òµ¥£¬±¾È˽¨ÒéÄãѧһÏÂ
ÓйØÄ¦¶ûµÈ»ù´¡ÖªÊ¶£¬ÖÁÓڴ𰸸æËßÄãҲûÓá£
4Â¥2008-03-20 09:22:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yuanyuan040601

ľ³æ (СÓÐÃûÆø)

ÎÒæ×Å×ö±ÏÒµÂÛÎĵÄʵÑé,²é×ÊÁÏÌ«Âé·³ÁË
ŬÁ¦»î³ö¾«²ÊµÄÉú»î£¡
5Â¥2008-03-20 09:32:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 070300»¯Ñ§319Çóµ÷¼Á +7 ½õÀð0909 2026-03-17 7/350 2026-03-21 03:46 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +12 yangfz 2026-03-17 12/600 2026-03-21 03:30 by JourneyLucky
[¿¼ÑÐ] 265Çóµ÷¼Á +3 Jack?k?y 2026-03-17 3/150 2026-03-21 03:17 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ£¨»ª¶«£© ±¾¿ÆÆë³¹¤Òµ´óѧ +3 ʯÄÜΰ 2026-03-17 3/150 2026-03-21 02:22 by JourneyLucky
[¿¼ÑÐ] 085700×ÊÔ´Óë»·¾³308Çóµ÷¼Á +12 īīĮ 2026-03-18 13/650 2026-03-21 01:42 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] ±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶ +19 ²»ÖªµÀ½Ðʲô£¡ 2026-03-15 21/1050 2026-03-20 20:48 by zhukairuo
[¿¼ÑÐ] ÉúÎïѧµ÷¼ÁÕÐÈË£¡£¡£¡ +3 ɽº£Ììá° 2026-03-17 4/200 2026-03-19 21:34 by ÔõôÊÍ»³
[¿¼²©] É격26Äê +3 °Ë6°Ë68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[¿¼ÑÐ] 085601²ÄÁϹ¤³Ìר˶Çóµ÷¼Á +10 Ľº®mio 2026-03-16 10/500 2026-03-19 15:26 by ¶¡¶¡*
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +5 pupcoco 2026-03-17 8/400 2026-03-19 13:58 by houyaoxu
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +3 xwt¡£ 2026-03-19 3/150 2026-03-19 11:22 by wãåÑôw
[¿¼ÑÐ] 328Çóµ÷¼Á£¬Ó¢ÓïÁù¼¶551£¬ÓпÆÑо­Àú +4 ÉúÎ﹤³Ìµ÷¼Á 2026-03-16 12/600 2026-03-19 11:10 by ÉúÎ﹤³Ìµ÷¼Á
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©´óѧ£¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ì£¬µ÷¼Á +4 Jy? 2026-03-16 4/200 2026-03-17 11:02 by gaoqiong
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +3 zhouzhen654 2026-03-16 3/150 2026-03-17 07:03 by laoshidan
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û