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fds329: ½ð±Ò+2, ¸Ðл»ØÌû 2012-11-14 10:14:10
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8KMnO4 + 5NaBH4 + 17H2SO4 = 4K2SO4 + 8MnSO4 + 5NaHSO4 + 5B(OH)3 + 17H2O
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   8MnO4(-) + 5NaBH4(s) + 29H(+) = 5Mn(2+) + 5Na(+) + 5B(OH)3 + 17H2O
2Â¥2012-11-01 10:50:24
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yaanyunsong

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2Â¥: Originally posted by jiagle at 2012-11-01 10:50:24
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8KMnO4 + 5NaBH4 + 17H2SO4 = 4K2SO4 + 8MnSO4 + 5NaHSO4 + 5B(OH)3 + 17H2O
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   8MnO4(-) + 5NaBH4(s) + 29H(+) = 5Mn(2+) + 5Na(+) + 5B(OH)3 + 17H2O

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jiagle

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yaanyunsong: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú, ллjiagleµÄ»Ø´ð 2012-11-01 22:21:24
fds329: ½ð±Ò+3, ¸ÐлӦÖú¡£ÐÁ¿àÁËO(¡É_¡É)O 2012-11-14 10:14:18
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3Â¥: Originally posted by yaanyunsong at 2012-11-01 21:01:49
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1¡¢2NaBH4 + H2SO4 = Na2SO4 + B2H6
2¡¢B2H6 + 6H2O = 2B(OH)3 + 6H2
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