chemistry equilibrium problem?

Ashok

New member
Ag+ (aq) + 2NH3 (aq) <----> Ag(NH3)2 ^+

Total moles of Ag+ initially present: (3.6x10^-2 moles)
Total moles of NH3 initially present: (6.9x10^-3 moles)
Measured concentration of Ag(NH3)2^+ at equilibrium: (3.4x10^-2 M)
Total solution volume: (100 mL)

a.) calculate the equilibrium concentration of Ag+
b.) calculate the equilibrium concentration of NH3
c.) calculate the value of the equilibrium constant.

please help me with this problem. I have no clue how to do it and my teacher said that there will be a similar one like this on the test tomorrow. thanks for all your help!
 
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