(1)配制溶液时,溶质为固体时,操作步骤为______、______、______、______.所用仪器有______、______、______、______、______、______、______.
(2)如果用浓硫酸配制稀硫酸,操作步骤又是什么呢?______、______、______.所需仪器有______、______.