²é¿´: 13895  |  »Ø¸´: 2

zhongyuan89

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ¹ØÓÚ1MKOHµÄpHÖµ ÒÑÓÐ2È˲ÎÓë

ÈçÌ⣬1MKOHµÄpHÊDz»ÊÇÓ¦¸ÃÊÇ14£¬ÎªÊ²Ã´ÔÚÓеÄOERÎÄÏ×Àï¿´µ½µÄÊÇ13.8£¬Çó½â´ð
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

8dianbao

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¿ÆÑÐÃñ¹¤

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhongyuan89: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2015-05-20 16:57:09
1MKOHµÄpHÓ¦¸Ã²»ÊÇ14£¬»áÂÔµÍÓÚ14£¬ÓеÄOERÎÄÏ×ÀïÖиø³ö13.8Ó¦¸ÃÊDZȽϿÉÐŵģ¬ÎÒ֮ǰʹÓùý1MµÄNaOH£¬pHÖµ²âÁ¿ÊÇ13.6¡£

PS:ÕâÖÖÎÊÌâLZÓÃpH¼Æ²âÁ¿Ò»Ï²»¾ÍÖªµÀÁË
²»»ýõͲ½£¬ÎÞÒÔÖÁǧÀ²»»ýСÁ÷£¬ÎÞÒԳɽ­º£¡£æëæ÷Ò»Ô¾£¬²»ÄÜÊ®²½£»æåÂíÊ®¼Ý£¬¹¦ÔÚ²»Éá¡£ïÆ¶øÉáÖ®£¬Ðàľ²»ÕÛ£»ïƶø²»Éᣬ½ðʯ¿ÉïΡ£
2Â¥2015-05-20 14:22:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gxytju2008

ר¼Ò¹ËÎÊ (ÎÄ̳¾«Ó¢)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zhongyuan89: ½ð±Ò+2, ¡ïÓаïÖú 2015-05-20 16:57:43
»°Ëµ¡£¡£Ò»°ãµÄph¼ÆÔÚÕâô¼îÐÔµÄÇé¿ö϶¼²»ÊÇ̫׼Á˵ģ¬¿ÉÒÔ¿´¿´Ð£×¼ÇúÏß¡£¶øÇÒ´ÓʵÑéÀ´Ëµ£¬13.8ºÍ14Ã»É¶Çø±ðµÄ£¬Îó²î·¶Î§ÄÚ£¬ÔÙ˵co2ɶµÄÒ²¶¼ÓÐÓ°Ïì
3Â¥2015-05-20 16:30:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zhongyuan89 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¿¼Ñе÷¼Á +5 СÀ¯ÐÂ±Ê 2026-03-26 5/250 2026-03-26 14:36 by njzyff
[¿¼ÑÐ] »·¾³×¨Ë¶324·ÖÇóµ÷¼ÁÍÆ¼ö +5 ÐùСÄþ¡ª¡ª 2026-03-26 5/250 2026-03-26 12:05 by i_cooler
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ339²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 ½­ÍùÂôÓã 2026-03-26 3/150 2026-03-26 09:42 by ÍõСǷi
[¿¼ÑÐ] 309Çóµ÷¼Á +4 gajsj 2026-03-25 5/250 2026-03-26 00:27 by Dyhoer
[¿¼ÑÐ] Çóµ÷¼Á +3 «lty 2026-03-25 4/200 2026-03-25 23:25 by «lty
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶0703×Ü·Ö337Çóµ÷¼Á +7 niko- 2026-03-22 7/350 2026-03-25 20:14 by qingfeng258
[¿¼ÑÐ] 284Çóµ÷¼Á +15 Zhao anqi 2026-03-22 15/750 2026-03-25 12:51 by wht0531
[¿¼ÑÐ] 282Çóµ÷¼Á +3 wcq131415 2026-03-24 3/150 2026-03-25 12:16 by userper
[¿¼ÑÐ] 081700 µ÷¼Á 267·Ö +10 ÃÔÈ˵Ĺþ¹þ 2026-03-23 10/500 2026-03-25 12:12 by userper
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +3 iwinso 2026-03-23 3/150 2026-03-25 11:29 by greychen00
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +6 Stella_Yao 2026-03-20 6/300 2026-03-25 00:37 by baoball
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] 291Çóµ÷¼Á +8 hhhhxn.. 2026-03-23 8/400 2026-03-23 23:15 by peike
[¿¼ÑÐ] »¯Ñ§308·ÖÇóµ÷¼Á +3 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 3/150 2026-03-23 20:11 by macy2011
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿¼ÑÐ] 350Çóµ÷¼Á +6 weudhdk 2026-03-19 6/300 2026-03-23 15:47 by tangyuan0840221
[¿¼ÑÐ] ½ÓÊÕ2026˶ʿµ÷¼Á(ѧ˶+ר˶) +4 allen-yin 2026-03-23 6/300 2026-03-23 15:04 by Íô£¡£¿£¡
[¿¼ÑÐ] 298Çóµ÷¼Á +8 Éϰ¶6666@ 2026-03-20 8/400 2026-03-23 11:02 by laoshidan
[¿¼ÑÐ] Çóµ÷¼Á +7 Auroracx 2026-03-22 7/350 2026-03-22 12:38 by ËØÑÕÇã³Ç1988
[¿¼ÑÐ] 0703»¯Ñ§297Çóµ÷¼Á +3 Daisy¡î 2026-03-20 3/150 2026-03-21 17:45 by ColorlessPI
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û