Calculate the activity of I03 in a saturated solution of La(1O3)3 with 0.010 M La(NO3)3.Кзр 3 1.0 х 1011а. 4.8 х 10-4b. 1.2 x 10-3с. 3.9 х 10-3d. 2.0 x 10-3е. 2.7 х 10-3f. 1.7 x 10-4

To calculate activity of IO3- in a saturated solution of La(IO3)3 with 0.010 M La(NO3)3

Answered: Calculate the activity of I03 in a…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section16.7: Gibbs Free Energy Changes And Equilibrium Constants

Problem 16.9PSP

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A chemical engineering student is studying the effect of pH on the corrosion of iron. Ellie following data are collected: Corrosion Rate (mm/year) ph 0.03 13.00 0.06 12.00 0.16 11.00 0.22 10.00 0.25 9.00 0.25 8.00 0.25 7.00 0.25 6.00 0.25 5.00 0.27 4.00 0.37 3.00 0.38 2.80 0.63 2.80 1.00 2.80 Plot corrosion rate vs. pH. (HINT: Label the x axis with decreasing pH.) (a) How would you describe the dependence of corrosion on pH? (b) When the pH goes below 3, bubbles appear in the solution. What change takes place in the reduction half-reaction at low pH? (c) How do you explain the shape of the curve at the lowest pH? (Based on a graph in the Kirk-Otbmer Encyclopedia of Chemical Technology, 4th ed., vol 7. New York: John Wiley & Sons, p. 559.)
Calculate the activity of Lat3 and IO3-, in a saturated solution of La(IO3)3 in a) water, b)0.010 M La(NO3)3 and c) 0.15 M Al(NO3) 3. Calculate also the concentration constant, K'sp in each case. Ksp = 1.0 x 10-11
Calculate the activity of La3+ in a saturated solution of La(IO3)3 in 0.010 M La(NO3)3. Ksp = 1.0 x 10-11 4.8 x 10-4 1.2 x 10-3 1.7 x 10-3 2.7 x 10-3 1.7 x 10-4
A saturated solution of lead iodide at 25oC was found to have an ionic strength of 0.008. Determine the activity of lead ion at this temperature if the solubility product constant is equal to 7.9 x 10-9. a. APb2+ = 6.1 x 10-9 b. APb2+ = 1.6 x 10-9 c. APb2+ = 6.1 x 10-3 d. APb2+ = 6.1 x 10-8 e. APb2+ = 1.6 x 10-3
Calculate the activity of La+3 and IO3-,in a saturated solution of La(IO3)3 in a 0.010 M La(NO3)3. Calculate also the concentration constant, K'sp in each case. Ksp = 1.0 x 10-11
Calculate the activity of La+3 and IO3-,in a saturated solution of La(IO3)3 of 0.15 M Al(NO3)3.Calculate also the concentration constant, K'sp in each case. Ksp = 1.0 x 10-11
Consider a saturated solution of barium iodate in 0.025 M BaCl2. For the salt: Ba(IO3)2(s) ⇌ Ba2+ + 2IO3- Ksp = 1.57 \times× 10-9 at 25 deg C What is pBa in terms of activity of Ba2+? 3.68 3.38 2.04 1.60
The Ksp value for magnesium arsenate [Mg3(AsO4)2] is 2.00 X 10-20 so if a chemist added 1.19 x 10-2 M of Pb3(AsO4)2(aq) which is a common ion then what would be the concentration of the Arsenate ion AsO43-(aq) in Molarity at equilibrium? 1.97 x 10-2 2.78 x 10-2 2.38 x 10-2 1.74 x 10-2 3.24 x 10-2 2.99 x 10-2 2.57 x 10-2 2.11 x 10-2 1.55 x 10-2 1.35 x 10-2
Calculate the activity of La3+ in a saturated solution of La(IO3)3. Ksp = 1.0 x 10-11 1.2 x 10-3 1.7 x 10-4 2.8 x 10-3 4.8 x 10-4
Calculate the solubility product of calcium hydroxide given that the solubility of Mg(OH)2(s) in water at25oC is 0.02 M.A 1.5 x 10-8 B 3.2 x 10-5 C 2.7 x 10-6 D 5.9 x 10-6 E 1.7 x 10-4
Q7. You are given a saturated solution of Zn(OH)2 with a Ksp of 3.0 x 10-16. From this, find the activity of Zn and the pH in 0.04568 M of K2SO4. Show your complete solution.
It is found that 8.70e-09 g of Ga(OH)3 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Ga(OH)3.The Ksp of Y2(CO3)3 at 25 oC is 1.03e-31. What is the molar solubility of Y2(CO3)3?

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Calculate the activity of I03 in a saturated solution of La(IO3)3 with 0.010 M La(NO3)3. 1.0 x 10-11 а. 4.8 х 104