Plz answer

Asked by  | 3rd May, 2008, 07:26: PM

Expert Answer:

Let the amount  of Ni+3  ion be x

So amount of Ni+2 ion is 0.98-x.

Now after balancing the charge and considering oxygen to be in -2 state:

we get the equation as,

3 x + 2(0.98-x)=2

On solving x=0.04.

So fraction of Ni+3 =0.04/0.98=0.041

And fraction of Ni+2  =1-0.041=0.959

Answered by  | 13th Jun, 2008, 08:26: PM

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