What Is the Minimum Mass of Cs₂CO₃ (Molar Mass = $\times$

question 25

Multiple Choice

What is the minimum mass of Cs₂CO₃ (molar mass = 325.821 g/mol) that must be added to 54.8 mL of a 5.0 $\times$ 10^-4 M AgNO₃ solution in order for precipitation to occur? The K_sp of Ag₂CO₃ is 8.6 $\times$ 10^-12.Assume no volume change occurs upon addition of Cs₂CO₃.

• A) 8.9 \(\times\) 10^-3 g
• B) 9.6 \(\times\) 10^-4 g
• C) 4.5 \(\times\) 10^-3 g
• D) 3.1 \(\times\) 10^-7 g
• E) 6.1 \(\times\) 10^-4 g

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