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What is the solubility in moles/liter for silver bromide at 25 oC given a Ksp value...

What is the solubility in moles/liter for silver bromide at 25 oC given a Ksp value of 7.7 x 10-13. Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!

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Answer #1

Ksp of AgBr = 7.7 x 10^-13

AgBr   --------------> Ag+   +     Br-

                                  S             S

Ksp = S^2

7.7 x 10^-13 = S^2

S = 8.77 x 10^-7 M

molar solubility = 8.77 x 10^-7 M

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