The Ksp for CaF2 is 3.9 x 10-11 at 25 °C. Assuming equilibrium is established between solid and dissolved CaF2, and thatthere are no other important equilibria affecting its solubility, calculate the solubility of CaF2 in grams per liter.

When 15.0 mL of a 8.61×10-4 M calcium iodide solution is combined with 12.0 mL of a 4.80×10-5 M ammonium sulfide solution does a precipitate form?  (yes or no)For these conditions the Reaction Quotient, Q, is equal to

At a certain temperature the solubility of Fe(OH)3 is 1.33 x 10-10M.  What is the Ksp at this temperature? Express your answer in scientific notation.

Write the Ksp expression for the sparingly soluble compound silver sulfite, Ag2SO3. Ksp =

When 15.0 mL of a 1.81×10-4 M aluminum acetate solution is combined with 22.0 mL of a 1.80×10-4 M potassium phosphate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to

When 12.0 mL of a 6.60×10-4 M sodium phosphate solution is combined with 15.0 mL of a 5.56×10-4 M aluminum iodide solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to

When 25.0 mL of a 4.21x10-4 M sodium fluoride solution is combined with 12.0 mL of a 4.26×10-4 M lead acetate solution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to

When 25.0 mL of a 1.32 × 10-4 M magnesium bromide solution is combined with 25.0 mL of a 8.06 × 10-4 M potassium carbonate solution does a precipitate form? (Ksp (MgCO3) = 4.0 × 10-5) Yes, the precipitate forms. O No, the precipitate doesn't form. For these conditions the Reaction Quotient, Q, is equal to