To understand the relationship between precipitation and the solubility product and to be able to predict whether a subs

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To Understand The Relationship Between Precipitation And The Solubility Product And To Be Able To Predict Whether A Subs 1 (65.58 KiB) Viewed 48 times

To understand the relationship between precipitation and the solubility product and to be able to predict whether a substance will precipitate or not Part A - Calculate the value of Q What is the value of Q when the solution contains 2.00 x 10 3M Ca2+ and 3.00 x 10-2 M 50,2-? Express your answer numerically. Precipitation is the formation of an insoluble substance. For the equation AB(s) = A (aq) +B (aq) precipitation represents a shift to the left and the production of a solid. From Le Châtelier's principle, we know that when the product of the concentrations of A and B gets above a certain level, the reaction will respond by shifting left to decrease the concentrations of A+ and B. This critical level, Ksp, is a constant at a certain temperature. In this case, View Available Hint(s) EVO AEO Q= Q=[A+]B ] where Q is the ion product. When Q > Ksp, precipitation occurs until Q is equal to Kup When Q<Kp, a precipitate does not form. Submit Part B Complete previous part(s) Part C What concentration of the barium ion, Ba2+, must be exceeded to precipitate BaF2 from a solution that is 1.00 x 10-2 M in the fluoride ion, F-? Ksp for barium fluoride is 2.45 x 10-5 Express your answer with the appropriate units. View Available Hint(s) μΑ ? Value Units