V1ml、0.2 mol/L Na2SO4溶液和V2ml、0.1 mol/L Fe2(SO4)3溶液混合,已知V1大于V2 ,则混合溶液中SO42-的物质的量浓度可能是
A.0.23 mol/L | B.0.18 mol/L | C.0.26 mol/L | D.0.25 mol/L 1 |
V1ml、0.2 mol/L Na2SO4溶液和V2ml、0.1 mol/L Fe2(SO4)3溶液混合,已知V1大于V2 ,则混合溶液中SO42-的物质的量浓度可能是
A.0.23 mol/L | B.0.18 mol/L | C.0.26 mol/L | D.0.25 mol/L 1 |