An Aqueous Solution Contains 0

question 24

Multiple Choice

An aqueous solution contains 0.010 M bromide ion (Br^-) and 0.010 M iodide ion (I^-) .If silver ions (Ag⁺) are added to the solution until silver bromide just begins to precipitate,what are the concentrations of silver ions and iodide ions? (K_sp of AgBr = 5.4 × 10^-13 and K_sp of AgI = 8.5 × 10^-17)

• A) [Ag⁺] = 5.4 × 10^-11 M,[I^-] = 1.0 × 10^-2 M
• B) [Ag⁺] = 8.5 × 10^-15 M,[I^-] = 1.0 × 10^-2 M
• C) [Ag⁺] = 5.4 × 10^-11 M,[I^-] = 1.6 × 10^-6 M
• D) [Ag⁺] = 8.5 × 10^-15 M,[I^-] = 6.4 × 10¹ M
• E) [Ag⁺] = 8.5 × 10^-15 M,[I^-] = 1.6 × 10^-6 M

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