nikheelmagi nikheelmagi

11-08-2017
Chemistry

contestada

Suggest why CaO rather than MgO is used to dry ammonia.

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akiyama316 akiyama316

19-08-2017

Ca2+ is less electro-positive than Mg2+. Therefore, CaO is less ionic than MgO. and in turn means that the O in CaO is more like O2– will react with H in H2O more so than O2- of MgO, because it is more ionic means O is strongly bonded to Mg compare to Ca

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