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Chemistry 16 Online
OpenStudy (anonymous):

What is the concentration of free cobalt ion in a solution that is 4.75 ×10^–2 M Co2+ and 5.0 M NH3? Kf Co(NH3)6 2+= 8.3×10^4

OpenStudy (aaronq):

write an equation for it and it's equilibrium expression, then plug in your values and solve.

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