今有0.1mol/l的na2so4溶液300ml,0.1mol/l的kal(so4)2溶液200ml,0.1mol/l的Al2(so4)3溶液100ml,加入等浓度的Bacl2溶液,恰好完全沉淀.消耗Bacl2的体积比为A.1:1:1 B.3:2:2 C.3:4:6 D.1:1:3
问题描述:
今有0.1mol/l的na2so4溶液300ml,0.1mol/l的kal(so4)2溶液200ml,0.1mol/l的Al2(so4)3溶液100ml
,加入等浓度的Bacl2溶液,恰好完全沉淀.消耗Bacl2的体积比为
A.1:1:1 B.3:2:2 C.3:4:6 D.1:1:3
答