无限稀释的CaCl 2 摩尔电导率与其离子的摩尔电导率的关系是:
A.
Λ m (CaCl 2 ) = λ m (Ca 2+ ) + λ m (Cl - )
B.
Λ m (½CaCl 2 ) = λ m (½Ca 2+ ) + 2λ m (Cl - )
C.
Λ m (CaCl 2 ) = λ m (Ca 2+ ) + 2λ m (Cl - )
D.
Λ m (CaCl 2 ) = 2 [λ m (Ca 2+ ) + λ m (Cl - )]
E.
Λ m (½CaCl 2 ) = λ m (½Ca 2+ ) + λ m (Cl - )