2014高考上海卷如图是模拟“侯氏制碱法”制取nahco3的部分装置。下列操作正确的是 A.a通入co2,然后b通入nh3,c中放碱石灰 B.b通入nh3,然后a通入co2,c中放 Template




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tomski2014高考上海卷如图是模拟“侯氏制碱法”制取nahco3的部分装置。下列操作正确的是 a.a通入co2,然后b通入nh3,c中放碱石灰 b.b通入nh3,然后a通入co2,c中放 coloring