Calculate the maximum concentration (in m) of silver ions (ag+) in a solution that contains 0.025 m of co32-. the ksp of ag2co3 is 8.1 x 10-12.

Question

Chemistry

Gabriella Clark

13 September, 10:40

Calculate the maximum concentration (in m) of silver ions (ag+) in a solution that contains 0.025 m of co32-. the ksp of ag2co3 is 8.1 x 10-12.

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Bub · Answer 1

Equilibrium equation is

Ag2CO3 (s) 2 Ag + (aq) + CO32 - (aq)

From the reaction equation above, the formula for Ksp:

Ksp = [Ag+]^2 [CO32-] = 8.1 x 10^-12

You know [CO32-], so you can solve for [Ag+] as:

(8.1 x 10^-12) = [Ag+]^2 (0.025)

[Ag+]^2 = 3.24 x 10^-10

[Ag+] = 1.8 x 10^-5 M