The Ksp of PbBr2 is 2.1 × 10-6 at 25 °C.  Calculate the solubility of PbBr2 in mg/mL of solution.

The Ksp of calcium fluoride is 5.3 * 10^-9. What is the solubility of calcium fluoride in 2.72 * 10^-2 M NaF?

A chemistry graduate student is given 250. mL of a 1.00M propanoic acid (HC,H,CO₂) solution. Propanoic acid is a weak acid with K = 1.3 × 105. What mass of KC,H,CO2 should the student dissolve in the HC2H, CO2 solution to turn it into a buffer with pH = 4.33? You may assume that the volume of the solution doesn't change when the KC2H5CO2 is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. x10

A chemistry graduate student is given 500. mL of a 0.90M propanoic acid (HC₂H,CO₂) solution. Propanoic acid is a weak acid with K=1.3 x 105. What mass of NaC₂H,CO₂ should the student dissolve in the HC₂H₂CO₂ solution to turn it into a buffer with pH = 4.33? You may assume that the volume of the solution doesn't change when the NaC₂H₂CO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3.   Ksp= 1.57x10^-9What is the concentration of the excess reagent?What is the molar solubility of Ba(IO3)2 in this solution? 2.04x10^-5 M   4.07x10^-5 M   6.15x10^-5 M   8.30x10^-5 M

How many grams of (CH3)2NH2CI must be added to 1.00 L of 0.200 M (CH3)2 NH to produce a buffer with pH = 10.65? Assume no change in volume. pKp of (CH3)2 NH = 3.27 molar mass (CH3)2NH2CI = 81.6 g/mol O 6.91 g O 0.11 g O 19.6 g 0.34 g O 24.0 g 0.22 g

Calculate the molar solubility of Ag2SO4 when dissolved in water (Ksp = 1.1 x 10-5) (Please give your answer with 2 significant figures.)

Calculate the solubility of AgCl in 0.20 M AgNO3 solution. Ksp = 1 × 10-10

The solubility product, Ksp, for Fe(OH)3 is 1.6 × 10–39. What is the solubility of Fe(OH)3 in a buffer solution with pH = 10, in moles per litre?   A) 1.1 × 10–9 mol.L–1  B) 4.0 × 10–23 mol.L–1 C) 8.8 × 10–11 mol.L–1 D) 1.6 × 10–27 mol.L–1

What is the solubility of PbF₂ in a solution that contains 0.0700 M F⁻ ions? (Ksp of PbF₂ is 3.60 × 10⁻⁸)