今有0.1mol/LNa2SO4溶液300mL,0.1mol/LMgSO4溶液200mL和0.1mol/LAl...
问题详情:今有0.1mol/LNa2SO4溶液300mL,0.1mol/LMgSO4溶液200mL和0.1mol/LAl2(SO4)3溶液100mL,这三种溶液中硫*根离子的物质的量之比是() A. 1:1:1 B.3:2:2 C.3...
问题详情:今有0.1mol/LNa2SO4溶液300mL,0.1mol/LMgSO4溶液200mL和0.1mol/LAl2(SO4)3溶液100mL,这三种溶液中硫*根离子的物质的量之比是() A. 1:1:1 B.3:2:2 C.3...