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shujian123: ½ð±Ò+2 2012-04-03 21:28:21
shujian123: »ØÌûÖö¥ 2012-04-03 21:28:56
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°®ÓëÓêÏÂ: , ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2012-04-03 08:54:35
shujian123: ½ð±Ò+2 2012-04-03 21:28:21
shujian123: »ØÌûÖö¥ 2012-04-03 21:28:56
| ........to obtain an alkaline environment, 0.2 gram of sodium hydroxide was added |

4Â¥2012-04-03 08:15:16
g0351
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shujian123: ½ð±Ò+8, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-03 21:28:38
shujian123: »ØÌûÖö¥ 2012-04-03 21:29:27
shujian123: ½ð±Ò+8, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2012-04-03 21:28:38
shujian123: »ØÌûÖö¥ 2012-04-03 21:29:27
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¡°adjust ......into¡± ¼´Ê¹ÓÐÒ²²»Ó㬾ͺÃÏñÄãϲ»¶³ÔÆ»¹û£¬like¾ÍÐÐÁË£¬²»ÐèÒªeat ¡°in order to¡± Ҳû±ØÒª ËùÒÔ£¬ÓÞ¼ûÈçÏ£º......, then 0.2 gram sodium hydroxide was adden to alkali the solution. »òÕߣº......, then 0.2 gram sodium hydroxide was adden to give a alkaline solution. |

5Â¥2012-04-03 08:55:19
terry_well
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shujian123: ½ð±Ò+2, ·ÒëEPI+1 2012-04-03 21:27:57
°®ÓëÓêÏÂ: ½ð±Ò+1 2012-04-03 08:53:54
°®ÓëÓêÏÂ: , ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2012-04-03 08:54:19
shujian123: ½ð±Ò+2, ·ÒëEPI+1 2012-04-03 21:27:57
........and in order to obtain an alkaline environment, 0.2 gram of sodium hydroxide was added into this solution. |

2Â¥2012-04-03 04:00:26
heshan_
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°®ÓëÓêÏÂ: ½ð±Ò+1 2012-04-03 08:54:02
°®ÓëÓêÏÂ: , ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2012-04-03 08:54:24
shujian123: ½ð±Ò+2 2012-04-03 21:28:06
°®ÓëÓêÏÂ: ½ð±Ò+1 2012-04-03 08:54:02
°®ÓëÓêÏÂ: , ¸ÐлӦÖú£¬»¶Ó³£À´£¡ 2012-04-03 08:54:24
shujian123: ½ð±Ò+2 2012-04-03 21:28:06
|
ÎÒ×Ô¼ºµÄ·Òë ......£¬and the sodium hydroxide(0.2 g£©was added in order to adjust the solution into alkalinity. ÕâÀïÎÒÓÃÁ˶ÌÓï adjust ......into (²»ÖªµÀÓÐûÓÐÕâ¸ö¶ÌÓ²»ÖªµÀ¶Ô²»¶Ô£© ºÍin order to Çë¸ßÊÖ°ïæָµãÏ To generate solution of alkalinit , We added the sodium hydroxide(0.2g) in it. |
3Â¥2012-04-03 06:59:01
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6Â¥2012-04-03 13:09:25














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