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kindly answer thanks. K'sp is unknown
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- At 25oC, Ksp for AgBr is 5.0 x 10-3 g. Calculate the solubility of AgBr in g L-1 at 25oC a) in pure water b) in the presence of 0.2mol L-1 NaBr solutionFor a saturated solution of Zn(OH)2, calculate the activity of Zn and its effective pH in:a) a solution of pH 10 Ksp of Zn(OH)2 = 3.0 x 10-16For a saturated solution of Zn(OH)2, calculate the activity of Zn and its effective pH in:a) waterb.) 0.0237 M K2SO4c.) a solution of pH 10 Ksp of Zn(OH)2 = 3.0 x 10-16
- Based on Ksp you calculated in the previous question, which is 1.10 * 10*-2. what is delta G for the dissolution of lithium tetraborate at 25 celciusFor a saturated solution of Zn(OH)2, calculate the activity of Zn and its effective pH in:a) 0.0237 M K2SO4Ksp of Zn(OH)2 = 3.0 x 10-16The [IO-3] in a saturated solution of Ce(IO3)3 is 5.86 × 10–3 M. Calculate the Ksp for Ce(IO3)3 .
- Using activities,(a) Find the concentration of of hydroxide ion in 0.10 M NaClO 4 saturated with Mn(OH)2(Ksp = 1.6 x 10 –13 ).(b) Determine the pH of the solution at 25 ̊C if Kw is 1.0 x 10 –1Calculate the solubility (in g/L) of Aluminum sulfide (Al2S3) at 25°C {Ksp for Al2S3 is 1.5x10^-27}. 1) in pure water 2) in 0.10 M H2S solution and in 0.25M Al^+3 solutionGiven the following activity coefficient data: Ion Ion Size (pm) Ionic Strength (μ, M) 0.001 0.005 0.01 0.05 0.1 Zn2+ 600 0.870 0.749 0.675 0.485 0.405 Calculate the ionic strength of a solution that is 0.0213 M Mg(CN)2. Based on your results in part 1, what is the activity coefficient of Zn2+? 3. Zinc cyanide, Zn(CN)2, has a Ksp of 3.0 x 10−16. Using the activity coefficient you calculated in part 2, find the concentration of Zn2+ in a saturated solution of Zn(CN)2 in 0.0213 M Mg(CN)2. (Note: The activity coefficient for cyanide in at this ionic strength is 0.791.)
- The Ksp for PbF 2 is 4.0 ×10 –8. If a 0.032 M NaF solution is saturated with PbF 2, what is [Pb 2+] in solution?An aqueous solution is prepared by mixing 20.0 mL of 0.0065 M K3PO4, 30.0 mL of 0.015 M NaCl, and 25.0 mL of 0.018 M KCl and enough water to make 250.0 mL solution. Calculate the ionic strength of the final solution and the activity of each ion.Determine the solubility of KIO4 in water. Volume of saturated KIO4 in conical flask is 25.0 ml,KI is 2g,H2SO4 (3.0M) is 20.0 ml added to KI solution , volume of 0.200 M sodium thiosulphate used for titration is 8.00 ml.and if mean ionic activity co efficient,y+- of KIO4 in the saturated solution is 0.85 ,what is Ksp. .