²é¿´: 422  |  »Ø¸´: 5
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

shining17

гæ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú¡¿Çë½ÌÈçºÎ¼òµ¥ÅжÏÕâ¸ö·´Ó¦µÄÖÕµã

ÔÚ150ml,0.2mNaOHÈÜÒºÖÐͨÈëCO2£¬NaOH´ó¸Å¶à³¤Ê±¼ä²ÅÄÜ·´Ó¦ÍêÈ«£¬ÔõÑùͨ¹ý¼òµ¥µÄ·½·¨À´ÅжÏ?
PS£ºCO2µÄͨÈëËٶȿɵ÷£¬ÈÜÒºÒ²ÓôÅ×Ó½Á°è£¬²»ÊǾ²Ö¹µÄ£¬Õû¸ö¹ý³Ì·â±Õ¡£

[ Last edited by dfq0730 on 2009-9-22 at 18:07 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jsszwutao

Ìú¸Ëľ³æ (СÓÐÃûÆø)

¡ï ¡ï
zeng1986kai(½ð±Ò+2,VIP+0):ллӦÖú£¡ 9-20 18:10
¸Õ¿ªÊ¼£º
2NaOH+CO2=Na2CO3+H2O

CO2½Ï¶àºó£º
Na2CO3+CO2+H2O=2NaHCO3

ҪʹNaOH·´Ó¦ÍêÈ«£¬ÀíÂÛ¼ÆËãÒªCO2Ϊ0.015mol
ÔÙ¼ÆËãÒ»ÏÂCO2µÄͨÈëÁ¿ËÙ¶È(mol/s),½üËÆ¹«Ê½PV=nRT
2Â¥2009-09-20 17:10:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zzg_cqu

Òø³æ (СÓÐÃûÆø)

¡ï
zeng1986kai(½ð±Ò+1,VIP+0):ллӦÖú£¡ 9-21 10:02
¼ÓÒ»µãָʾ¼Á£¬»òÕßÓÃph¼Æ¿´¿´£¬Öк͵½Ò»¶¨Ê±ºò£¬Ëá¶ÈÓб仯
3Â¥2009-09-20 21:17:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yifan2008

ľ³æ (ÖøÃûдÊÖ)

¡ï
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-24 23:59
Ph¼ÆÓ¦¸ÃÊÇ¿ÉÒԵģ¬Na2CO3ºÍNaHCO3µÄPhÖµÊDz»Í¬£¬¿ÉÒÔ¼ÆËãµÄ
ÁôµÃÇàɽÔÚ£¬²»ÅÂû²ñÉÕ
4Â¥2009-09-22 20:23:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lysander1889

½ð³æ (СÓÐÃûÆø)

¡ï
heavence007(½ð±Ò+1,VIP+0):ллӦÖú 9-24 23:59
Ò»°ãͨCO2ÈÜÒºÓ¦¸Ã»ë×ǵģ¬Äã¿´µ½Ã»»ë×ÇÀ²Ó¦¸Ã¾Íµ½À²
ÏÉÈËָ·
5Â¥2009-09-24 17:28:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

long303

ľ³æ (СÓÐÃûÆø)

ÄãÊÇÒªµ½ÄĸöÖյ㠵½NaHCO3µÄ»° Ó÷Ó̪¾ÍÐР  ×Ϻì±äÎÞÉ«
ŬÁ¦£¬Èç¹û²»ÐУ¬¾ÍÔÙŬÁ¦Ð©£¡
6Â¥2009-09-25 07:07:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ shining17 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0817 »¯Ñ§¹¤³Ì 299·ÖÇóµ÷¼Á ÓпÆÑо­Àú ÓжþÇøÎÄÕ +18 rare12345 2026-03-18 18/900 2026-03-19 22:36 by ѧԱ8dgXkO
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤ Çóµ÷¼Á +14 enenenhui 2026-03-13 15/750 2026-03-19 21:53 by allen-yin
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +5 ioodiiij 2026-03-17 5/250 2026-03-19 18:22 by zcl123
[¿¼ÑÐ] ÄÜÔ´²ÄÁÏ»¯Ñ§¿ÎÌâ×éÕÐÊÕ˶ʿÑо¿Éú8-10Ãû +4 ÍÑÓ±¶ø³ö 2026-03-16 12/600 2026-03-19 16:17 by ÍÑÓ±¶ø³ö
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á 324·Ö +10 llllkkkhh 2026-03-18 12/600 2026-03-19 14:33 by llllkkkhh
[¿¼ÑÐ] 317Çóµ÷¼Á +3 Éê×ÓÉêÉê 2026-03-19 6/300 2026-03-19 14:16 by Éê×ÓÉêÉê
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +5 pupcoco 2026-03-17 8/400 2026-03-19 13:58 by houyaoxu
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +3 ³¿»èÏßÓëÐǺ£ 2026-03-19 3/150 2026-03-19 13:36 by houyaoxu
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +8 ´ó¿Édigkids 2026-03-16 8/400 2026-03-18 09:36 by zhukairuo
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 éÙËÌ. 2026-03-17 4/200 2026-03-17 21:43 by ÓÐÖ»ÀêÅ«
[¿¼ÑÐ] 332Çóµ÷¼Á +6 Zz°æ 2026-03-13 6/300 2026-03-17 17:03 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
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ËØÄê¼ÀÓï 2026-03-15 5/250 2026-03-16 17:00 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] ÖпÆÔº²ÄÁÏ273Çóµ÷¼Á +4 yzydy 2026-03-15 4/200 2026-03-16 15:59 by Gaodh_82
[¿¼ÑÐ] 326Çóµ÷¼Á +3 mlpqaz03 2026-03-15 3/150 2026-03-16 07:33 by Iveryant
[¿¼ÑÐ] 22408×Ü·Ö284Çóµ÷¼Á +3 InAspic 2026-03-13 3/150 2026-03-15 11:10 by zhq0425
[¿¼ÑÐ] ±¾¿ÆÄϾ©´óѧһ־Ը´¨´óҩѧ327 +3 ÂóÌï¸ûÕß 2026-03-14 3/150 2026-03-14 20:04 by ÍâÐÇÎÄÃ÷
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 323 Ó¢Ò»+Êý¶þ+Îﻯ£¬Ò»Ö¾Ô¸£º¹þ¹¤´ó ±¾È˱¾¿ÆË«Ò»Á÷ +4 ×ÔÓɵÄ_·ÉÏè 2026-03-13 5/250 2026-03-14 19:39 by hmn_wj
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û