In the following equilibrium, when Fe *3 ion is added, the concentration of Fe(SCN) +2 ion will Fe +3 + SCN +2 2 Fe(SCN) O a. Increase O b. Decrease Oc. Remain the same QUESTION 3 A 0.50 M solution of acetic acid, HC 2H 30 2, is 0.60% ionized. The ionization constant for acetic acid is O a. 7.2 X 10-3 O b. 1.8 X 10-3 O c. 1.2 X 10-2 O d. 1.8 x 10-5 QUESTION 4 The K of silver iodide is 8.3 X 10 17. What is the solubility of silver iodide in g/L? sp O a. 2.1 X 10-6 O b. 1.6 X 10-30 OC. 1.9 X10-14 O d. 6.1 X 10-21
In the following equilibrium, when Fe *3 ion is added, the concentration of Fe(SCN) +2 ion will Fe +3 + SCN +2 2 Fe(SCN) O a. Increase O b. Decrease Oc. Remain the same QUESTION 3 A 0.50 M solution of acetic acid, HC 2H 30 2, is 0.60% ionized. The ionization constant for acetic acid is O a. 7.2 X 10-3 O b. 1.8 X 10-3 O c. 1.2 X 10-2 O d. 1.8 x 10-5 QUESTION 4 The K of silver iodide is 8.3 X 10 17. What is the solubility of silver iodide in g/L? sp O a. 2.1 X 10-6 O b. 1.6 X 10-30 OC. 1.9 X10-14 O d. 6.1 X 10-21
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter14: Acid-base Equilibria
Section: Chapter Questions
Problem 47E: Explain why equilibrium calculations are not necessary to determine ionic concentrations in...
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Transcribed Image Text:QUESTION 2
In the following equilibrium, when Fe *3 ion is added, the concentration of Fe(SCN)
) "< ion will
+2
Fe 3 + SCN
-SCN 1
-1
2 Fe(SCN)
+2
O a. Increase O b. Decrease O c. Remain the same
QUESTION 3
A 0.50 M solution of acetic acid, HC,H 20 2, is 0.60% ionized. The ionization constant for acetic acid is
O a. 7.2 X 10-3 O b. 1.8 X10-3 O c. 1.2 X 10-2 O d. 1.8 X 10-5
QUESTION 4
The K
of silver iodide is 8.3 X 10 What is the solubility of silver iodide in g/L?
sp
O a. 2.1 X 10-6 O b. 1.6 X 10-30 O C. 1.9 X 10-14 O d. 6.1 X 10-21
OC 1.9X 10 14
d. 6.1 X 10 21
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