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chai2015: ½ð±Ò+8, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2014-09-28 16:24:32
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3Â¥: Originally posted by chai2015 at 2014-09-27 15:42:13
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chai2015: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2014-09-27 15:42:32
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chai2015

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2Â¥: Originally posted by jiagle at 2014-09-26 14:00:08
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    Óö»¹Ô­¼ÁÌåÏÖÑõ»¯ÐÔ£¬Èç  H2O2 + 2KI + H2SO4 = I2 + K2SO4 + 2H2O
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