12. Answer the Questions that follow а. Write the Ksp expression for the dissolution of lanthanum iodate, La(IO3)3. b. Calculate the molar solubility of lanthanum iodate, La(IO3);, which has a Ksp of 7.5 x 10-12. What would happen to the mass of solid La(IO3); in the container at equilibrium if a small amount 1.0 M HCl were added? Justify your response. с.
12. Answer the Questions that follow а. Write the Ksp expression for the dissolution of lanthanum iodate, La(IO3)3. b. Calculate the molar solubility of lanthanum iodate, La(IO3);, which has a Ksp of 7.5 x 10-12. What would happen to the mass of solid La(IO3); in the container at equilibrium if a small amount 1.0 M HCl were added? Justify your response. с.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:12. Answer the Questions that follow
а.
Write the Ksp expression for the dissolution of lanthanum iodate, La(IO3)3.
b. Calculate the molar solubility of lanthanum iodate, La(IO3)3, which has a Ksp of 7.5 x 10-12.
c. What would happen to the mass of solid La(IO3); in the container at equilibrium if a small
amount 1.0 M HCl were added? Justify your response.
d. Suppose you added just 5.00 grams of lanthanum iodate, La(IO3)3, to 1.00L of water at this same
temperature. Would it all dissolve? Why or why not?
e. Sodium iodate, NaIO3, is a strong electrolyte. Calculate the molar solubility La(IO;); in a
solution that already contains 0.20 M sodium iodate.
Transcribed Image Text:f. Complete this chemical reaction and balance (see previous parts of this question if needed)
i.
La(NO3)3 (aq)
+ NaIO, (aq) →
ii.
Write the net ionic equation.
Suppose 10 mL. 0.20 M NaIO, reacts with 100. mL of 3.0 x 10“M La(NO,), Determine
the limiting reactant (don't be afraid of using an ICE table!)
iii.
iv.
Will any La(IO3)3 precipitate? Why or why not.
10
NAME
PER
Unit 7 Equilibrium Take Home
A
Time (s)
Concentration (mol.dm-3)
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