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[单选题]
将1.0 L的0.10 mol/L BaCl2溶液和0.20 mol/L Na2SO4溶液等体积混合,生成BaSO4沉淀。已知KspӨ(BaSO4) = 1.1×10-10,则沉淀后溶液中c(SO42-)和c(Ba2+)为()
A.0.50 mol/L、1.1 ´ 10-9 mol/L
B.0.050 mol/L、2.2 ´ 10-9 mol/L
C.都是1.05 ´ 10-5 mol/L
D.0.050 mol/L、1.1 ´ 10-9 mol/L
提问人:网友yellowdog
发布时间:2022-01-07