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caca214

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pH    0.05MÅðɰ/ml      0.2MÅðËá/ml      
7.4          1.0                      9.0
7.6          1.5                      8.5
7.8          2.0                      8.0
8.0          3.0                      7.0
8.2          3.5                      6.5
8.4          4.5                      5.5
8.7          6.0                      4.0
9.0          8.0                      2.0
ÅðɰNa2B4O7¡¤10H2O·Ö×ÓÁ¿£½381.43 0.05M(=0.2MÅðËá¸ù)ÈÜҺΪ19.07g/L
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[ Last edited by caca214 on 2010-11-9 at 09:51 ]
2Â¥2010-11-09 09:36:20
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Originally posted by caca214 at 2010-11-09 09:36:20:
ÍøÉÏÓкܶà×ÊÁϰ¡¡£
²éÁËһϣ¬pH10ºÃÏñ²»ÔÚÅðËỺ³å·¶Î§À¼ûÏÂ±í£©¡£

ÅðËá-Åðɰ»º³åÒº£¨0.2MÅðËá¸ù£©

pH    0.05MÅðɰ/ml      0.2MÅðËá/ml      
7.4          1.0                      9.0
...

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