the urban air pollution is often due to the release of NOx that is mainly consisted of NO and NO2. NOx may be catalytically converted into nitrogen and water with use of ammonia. in order to have complete conversion of 6.0L NOx in which the molar ratio of NO and NO2 is 1:2 under the same temperature and atomospheric pressure, how many liter of ammonia will be needed at least? (a)3.0 (b)6.0 (c)12.0 (d)20.0 出處http://tinyurl.com/7gkbd47 算了很久 算不出答案.... 煩請版上神人幫忙解答 謝謝!!! --

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