Which Response Has Both Answers Correct? Will a Precipitate Form

question 9

Multiple Choice

Which response has both answers correct? Will a precipitate form when 250 mL of 0.33 M Na₂CrO₄ are added to 250 mL of 0.12 M AgNO₃? [K_sp(Ag₂CrO₄) = 1.1 × 10^-12] What is the concentration of the silver ion remaining in solution?

• A)Yes, [Ag⁺] = 2.9 × 10^-6 M.
• B)Yes, [Ag⁺] = 0.060 M.
• C)Yes, [Ag⁺] = 1.3 × 10^-4 M.
• D)No, [Ag⁺] = 0.060 M.
• E)No, [Ag⁺] = 0.105 M.

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The phenomenon where policy decisions are influenced or determined by the lobbying power of a small, focused group rather than the interests of the larger public.