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Please answer both questions. One millimole of Ni(NO3)2 dissolves in 270.0 mL of a solution that is...

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Chemistry

Please answer both questions.

One millimole of Ni(NO3)2 dissolves in270.0 mL of a solution that is 0.400 M in ammonia.
The formation constant ofNi(NH3)62+ is5.5×108.

1. What is the initial concentration ofNi(NO3)2 in the solution?

2. What is the equilibrium concentration ofNi2+(aq ) in the solution?

Answer & Explanation Solved by verified expert
3.9 Ratings (651 Votes)
1 Initial concentration of NiNO32 0001mol2700ml 1000ml 0003704M 2 First consider complete formation of NiNH362 Ni2aq 6NH3 NiNH362aq stoichiometrically 1mol of    See Answer
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