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lf M("normal") is the normal molecular m...

lf `M_("normal")` is the normal molecular mass and `alpha` is the degree of ionization of `K_3[Fe(CN)_6]`, then the abnormal molecular mass of the complex in the solution will be

A

`M_("normal") (1+2 alpha)^-1`

B

`M_("normal") (1+3 alpha)^-1`

C

`M_("normal") (1+ alpha)^-1`

D

equal to `M_("normal")`

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The correct Answer is:
B
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