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[单选题]
CaF2的Ksp=2.7×10-11,若不考虑F的水解,则CaF2在纯水中的溶解度为( )mol/L。
A.3.0×10-4
B.1.9×10-4
C.2.0×10-4
D.5.2×10-4
E.2.6×10-4
查看答案
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A.3.0×10-4
B.1.9×10-4
C.2.0×10-4
D.5.2×10-4
E.2.6×10-4
A.4.0×10-8
B.8.0×10-8
C.3.2×10-11
D.8.0×10-12
A.1.9×10-4mol/L
B.3.0×10-4mol/L
C.2.0×10-4mol/L
D.2.6×10-4mol/L