由一块铜(Cu)去?造成水合硫酸铜(CuSO4)的方法,过程? since it is available commercially, copper sulfate is usually purchased, not prepared in the laboratory. it can be made by the action of sulfuric acid on a variety of copper(ii) compounds, for example copper(ii) oxide. copper(ii) sulfate decomposes before melting. the common pentahydrate form dehydrates, losing four water molecules at 110 °c and all five at 150 °c. at 650 °c, copper(ii) sulfate decomposes into copper(ii) oxide (cuo) and sulfur trioxide (so3). when heated in an open flame the crystals are dehydrated and turn grayish-white 查看更多