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What concentration of SO32– is in equilibrium with Ag2SO3(s) and 8.60 × 10-3 M Ag ?...

What concentration of SO32– is in equilibrium with Ag2SO3(s) and 8.60 × 10-3 M Ag ? The Ksp of Ag2SO3 is 1.50×10–14.

[SO3^2-]=?

please show all work

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Answer #1

[Ag+] = 8.60 × 10-3 M

Ag2SO3 <------------------------> 2Ag+   +   SO3-2

                                           8.60 × 10-3 M

Ksp = [Ag+]^2 [SO3-2]

1.50×10^-14 = ( 8.60 × 10^-3)^2 [SO3-2]

2.03 x 10^-10 M = [SO3-2]

[SO3-2] = 2.03 x 10^-10 M

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