Chemistry help(Bit confused)?

monicar2009

New member
An aqueous solution contains 0.010 M Br- and 0.010 M I-. If Ag+ is added until AgBr(s) just begins to precipitate, what are the concentrations of Ag+ and I-?
Ksp of AgBR = 5.4 x 10^-13
ksp 8.5 x 10^-17

I know the answer but how would i go about doing the work? I'm a bit confused

Thank you for your time.
 
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