Thursday
April 24, 2014

Homework Help: Chemistry

Posted by Alice on Wednesday, March 11, 2009 at 11:12am.

Write balanced equations for the formation of [Ni(NH3)6][BF4]2 starting from an anhydrous sample of nickel(II) choride hexahydrate. (3 equations necessary)

I am slightly confused by this. I think the starting sample has the formula [Ni(H20)6]Cl2
Would this react with ammonia?
[Ni(H2O)6]Cl2 + 6NH3 --> [Ni(NH3)6]Cl2 + 6H2O

and then with sodium tetrafluoroborate
[Ni(NH3)6]Cl2 + 2NaBF4 --> [Ni(NH3)6][BF4]2 + 2NaCl

I am not sure how to get three equations.

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