Znn3bq.jpeg
²é¿´: 998  |  »Ø¸´: 4

ÇåɽÐãË®

Í­³æ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú¡¿»º³åÈÜÒºµÄÅäÖÆ

ÎÒÏëÅäÖÆpH=5-10µÄ»º³åÒº£¬µ«ÊÇ¿´²»¶®PH=9.  10ÕâÁ½¸ö£¬ÓÐÁËÅðËá¾Í²»ÐèÒªKCl£¬»¹ÊÇÁ½Ñù¶¼ÐèÒª£¡PH=5 ,¿ÉÒÔÓÃÁ×Ëá¶þÇâ¼Ø£¬NaOHÅäÖÆÂ𣿴òËã5£¬6£¬7£¬8  ÕâЩµã¶¼ÓÃͬһÖÖ»º³åÌåϵ£¡


ÎÒÓÃÕâË®½âÑùÆ·£¬Ë®½âºóµÄÑùÆ·ÊÇÐèÒªÓÃÒºÏà¼ì²â£¿

Çë¸÷λ´óÏÀ°ï°ï棬
лл£¡


pH5£¬23.gmLO.lmol/LNaOH+50mLO.lmol/L±½¶þ¼×ËáÇâ¼Ø£¬Ï¡ÊÍÖÁ100mL;

pH6£¬5.70mLO.lmol/LNaOH+50mLO.lmol/LÁ×Ëá¶þÇâ¼Ø£¬Ï¡ÊÍÖÁ100mL;

PH7£¬29.6mLO.lmol/LNaOH+50mLO.lmol/LÁ×Ëá¶þÇâ¼Ø£¬Ï¡ÊÍÖÁ100mL;

PH8£¬46.smLO.lmol/LNaOH+50mLO.lmol/LÁ×Ëá¶þÇâ¼Ø£¬Ï¡ÊÍÖÁ100mL;

PH9£¬21.3mLO.lmol/LNaOH+50mLO.lmol/LÅðËá(0.lmol/LKCI)Ï¡ÊÍÖÁ100mL;

pH10£¬43.gmLO.lmol/LNaOH+50mLO.lmol/LÅðËá(0.lmol/LKCI)£¬Ï¡ÊÍÖÁ100mL¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

1587910521

½ð³æ (ÕýʽдÊÖ)

ÄãΪʲô²»ÓÃÁ×ËáÇâ¶þ¼ØºÍÁ×Ëá¶þÇâÄÆÅä°¡£¬¸÷ÖÖpHÖµµÄ¶¼ÓеÄ
2Â¥2010-10-12 08:43:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nipingxiu

½ð³æ (СÓÐÃûÆø)

ÇåɽÐãË®(½ð±Ò+2): 2010-10-14 21:37:03
Óô×ËáÄØ£¿
3Â¥2010-10-12 09:04:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

393432537

ľ³æ (ÖøÃûдÊÖ)

ÄãÄÇÀïÕÒÀ´µÄÕâôÉñµÄ»º³å£¿
ÏëÏóËùÓеÄ80£¬90µÄÄêÇáÈ˲»ÔÙ°§Ì¾ÏÖʵµÄÃìã¡¢Éú»îµÄѹÁ¦£¬ÕæÕýͨ¹ý²»Ð¸µÄŬÁ¦ºÍ·Ü¶·£¬´ïµ½¼´Ê¹²»ÊǴ󸻴ó¹óµÄƽ¾²Éú»î£¬µÃµ½Õä¹óµÄÈ˸ñËù¸³Óè×Ô¼ººÍ±ðÈ˵ÄÐÒ¸£
4Â¥2010-10-12 09:11:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÇåɽÐãË®

Í­³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
Originally posted by nipingxiu at 2010-10-12 09:04:34:
Óô×ËáÄØ£¿

ÎÒÓô×ËáºÍ´×ËáÄÆÅäÖÆ5£¬6£¬µ«pHÊÇ7£¬8£¬9£¬10µÄ¾Í²»ºÃÅäÖÃÁË¡£
5Â¥2010-10-14 21:47:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÇåɽÐãË® µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 343Çóµ÷¼Á +8 Íõ¹ú˧ 2026-04-10 8/400 2026-04-11 10:50 by qingpingzhu
[¿¼ÑÐ] 0854Çóµ÷¼Á +7 assdll 2026-04-05 7/350 2026-04-11 10:34 by Delta2012
[¿¼ÑÐ] ¹¤¿Æ273µ÷¼Á +6 X1999 2026-04-09 7/350 2026-04-11 10:23 by zhq0425
[¿¼ÑÐ] Çóµ÷¼Á +13 Ñ©·ê¶¬ 2026-04-10 13/650 2026-04-11 09:58 by Öí»á·É
[¿¼ÑÐ] 337Çóµ÷¼Á +4 ÑÐs. 2026-04-10 4/200 2026-04-11 08:57 by zhq0425
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-04-10 6/300 2026-04-11 05:23 by zhuwenxu
[¿¼ÑÐ] »¯Ñ§¹¤³ÌÓë¼¼Êõ324µ÷¼Á +23 Ëï³£»ª 2026-04-09 25/1250 2026-04-11 00:07 by ÆïÅ£¶Éº®½­
[¿¼ÑÐ] 309Çóµ÷¼Á +14 wdhw 2026-04-10 15/750 2026-04-10 21:06 by zhouxiaoyu
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +8 ÏàÐűػá¹ââÍòÕ 2026-04-07 9/450 2026-04-10 21:03 by zhouxiaoyu
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷½»»úеר˶Çóµ÷¼Á +8 ÇóÉϰ¶µÄСÍõ 2026-04-10 8/400 2026-04-10 15:09 by hemengdong
[¿¼ÑÐ] µ÷¼Á +24 ²»·ê´º 2026-04-07 25/1250 2026-04-10 09:39 by 690616278
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-04-05 11/550 2026-04-10 09:32 by ÖÓÖÞ2011
[¿¼ÑÐ] 070300»¯Ñ§ Çóµ÷¼Á +13 73372112 2026-04-08 13/650 2026-04-09 20:22 by maddjdld
[¿¼ÑÐ] 070300»¯Ñ§Ñ§Ë¶311·ÖÇóµ÷¼Á +18 Áº¸»¹óÏÕÖÐÇó 2026-04-04 20/1000 2026-04-09 11:18 by ßÕßÕßÕßÉßÉßÉ
[¿¼ÑÐ] ²ÄÁÏ¿¼ÑÐÇóµ÷¼Á×Ü·Ö280 +30 mkjlz1 2026-04-06 35/1750 2026-04-08 21:25 by cyh¡ª315
[¿¼ÑÐ] 277Çóµ÷¼Á +4 ¿¼Ñе÷¼Álxh 2026-04-06 6/300 2026-04-08 10:40 by ÄæË®³Ë·ç
[¿¼ÑÐ] 071000ÉúÎïѧ£¬Ò»Ö¾Ô¸ÉîÛÚ´óѧ296·Ö£¬Çóµ÷¼Á +12 TIckLw 2026-04-06 13/650 2026-04-07 20:34 by lijunpoly
[¿¼ÑÐ] 292Çóµ÷¼Á +4 lilllllxccc 2026-04-05 5/250 2026-04-07 09:29 by ·Ä´óÑîÀÏʦ
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +5 ´Þwj 2026-04-05 5/250 2026-04-06 15:40 by lin-da
[¿¼ÑÐ] Çóµ÷¼Áµ½²ÄÁÏ +5 ³Ì9915 2026-04-06 5/250 2026-04-06 15:21 by yulian1987
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û