One millimole of Ni(NO3)2 dissolves in 210mL of a solution that
is .500M in NH3.
(a) What...
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Chemistry
One millimole of Ni(NO3)2 dissolves in 210mL of a solution thatis .500M in NH3.
(a) What is the initial concentration of Ni(NO3)2 in thesolution?
------> The answer to (a) is .00476 M. I just can't figureout part (b)
(b) What is the equilibrium concentration of Ni^2+(aq) in thesolution?
HINT: The Ni^2+ forms a hexammonia complex: Ni(NH3)6^2+. Kf =5.5 x 10^8.
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Givenmillimoles of NiNO32 1Volume of solution 210 mL x 1L 1000 mL 0210LConcentration of NH3 solution 0500MKf of NiNH362 55 x 108a calculating the initial concentration ofNiNO32 in the solution 1 millimole NiNO32 x 1 mole
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