< Question 10 of 12 2 What mass of precipitate (in g) is formed when 52.3 mL of 0.500 M FeCl3 reacts with excess AgNO3 in the following chemical reaction? FeCl3(aq) + 3 AgNO3(aq) → 3 AgCl(s) + Fe(NO3)3(aq) g Submit 3

Q: The Ka for HCN is 4.9 × 10-10. What is the value of Kb for CN-? A) 4.0 × 10-6  B) 2.0 × 109  C) 4.9…

A: The Ka for HCN is 4.9 × 10-10 .We have to calculate the value of Kb for CN- .

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