8) (G) Calculate the solubility of solid CaF2 (Kp-4.0x 10-1) in water. (ii) Calculate the solubility...
Questions: 1. Calculate the Ksp for PbBr2 if its molar solubility is 2.14 x 10-2 M at 25°C. 2. Calculate the molar solubility of CaF2 (Ksp = 4.0 x 10-11) in a 0.025 M NaF solution. 3. Solid sodium sulfate, Na2SO4, is added slowly to a solution that is 1.0 x 10-4 in both Ba2+ and Pb2+ until [SO42-] reaches 1.0 x 10-4 M. Would either BaSO4 (Ksp = 1.1 x 10-10) or PbSO4 (Kop -1.7 x 10-8) precipitate under...
1a) Silver chromate, Ag2CrO4, has a Ksp of 8.99 × 10–12. Calculate the solubility in mol/L of silver chromate. 1b) Calculate the molar solubility of AgCl (Ksp = 1.6 × 10–10) in 0.0034 M sodium chloride at 25°C. 1c) If 30 mL of 5.0 × 10–4M Ca(NO3)2 are added to 70 mL of 2.0 × 10–4M NaF, will a precipitate occur? (Ksp of CaF2 = 4.0 × 10–11)
Solubility of CaF2 at 25°C is S= 20 x 10 mol/L. Calculate Kp of this salt at 25°C. Write equilibrium between solid and ions in solution What are concentrations of Ca and Fin saturated solution of CaF:? [Ca2+] = Write expression for Kap of CaF, as a function of [Ca] and IF1 Give calculated value of K.
Calculate the molar solubility of CaF2 at 25 C in a solution that is 0.10 M in Ca(NO3)2. Ksp = 3.9 E-11 for CaF2. A. 3.9 E-7 B. 1.96 E-9 C. 7.8 E-10 D. 3.9 E-11
Calculate the molar solubility of CaF2 in a solution containing 0.647 M of Ca(NO3)2. The Ksp value for CaF2 is 1.46×10−10. Express the molar solubility to three significant figures and include the appropriate units.
2) The solubility product for calcium fluoride (CaF2, MW largest 78.1 g/mol) is Kp 4.0 x 10-11 What is the mass of calcium fluoride that can dissolve in 250.0 mL of water? 2) The solubility product for calcium fluoride (CaF2, MW largest 78.1 g/mol) is Kp 4.0 x 10-11 What is the mass of calcium fluoride that can dissolve in 250.0 mL of water?
4) The Kip of BaF2 is 1.8 x 10-7. a) What is the molar solubility of BaF2 in water? (2 points) b) What is the molar solubility of BaF2 in 0.10 M NaF? (2 points) c) If 0.10 g of BaCl2 is added to 1.0 L of a 0.10 M solution of NaF, will BaF2 precipitate out? (2 points) 5) The molar solubility of silver(1) chromate, Ag2CrO4, in water is 6.5 x 109 M. Calculate K.p for AgaCrO4. (3 points)
4) The Kip of BaF2 is 1.8 x 10-7. a) What is the molar solubility of BaF2 in water? (2 points) b) What is the molar solubility of BaF2 in 0.10 M NaF? (2 points) c) If 0.10 g of BaCl2 is added to 1.0 L of a 0.10 M solution of NaF, will BaF2 precipitate out? (2 points) 5) The molar solubility of silver(1) chromate, Ag2CrO4, in water is 6.5 x 109 M. Calculate K.p for AgaCrO4. (3 points)
2. The equilibrium constant for the following reaction is called the "solubility product" of calcium fluoride: CaF2(s) - Cal(aq) + 2F-(ay) K = Kp = 3.2 x 10-11 (a) Write an expression for the equilibrium constant of this reaction in terms of concentrations. Why do you suppose we call this a solubility product instead of a solubility quotient or ratio? (b) Calculate the equilibrium concentrations of Ca2+ and F if excess solid CaF is placed in water. (c) in which...
For the insoluble salt cadmium (II) iodate, the solubility product, Ksp, is 2.3 x 10-8. a) Write the solubility product expression for cadmium (II) iodate. b) Determine the molar solubility (M) of cadmium (II) iodate in pure water. c) Calculate the solubility (M) of cadmium (II) iodate in a solution of 0.20 M Cd(NO3)2. Comment on whether the solubility has increased or decreased from part (b). d) Predict whether the solubility of cadmium (II) iodate will increase or decrease if...