Attempt 3
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- Words: 398
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1 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
1. Chapter 11 S Ksp 5 At 25 o C the solubility of copper(I) bromide is 2.05 x 10-4 mol/L. Calculate the value of Ksp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
Student Response 1. not answered
Value
Correct Answer
0%
Equals 4.2e-8 (100%)
General Ksp = S2 Feedback: Score:
0/1
2. S g to Ksp 2 The solubility of silver dichromate at a given temperature is 0.00855 g/L. Calculate the Ksp at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer not answered Score:
Value
Correct Answer
0%
3.11E-14 (3.11 × 10-14)
0/1
3. Chapter 11 Ksp S 20 What is the solubility in moles/liter for barium fluoride at 25 o C given a Ksp value of 1.7 x 10-6 . Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!)
Student Response 1. not answered
Value
Correct Answer
0%
Equals 7.52e-3 (100%) Equals 7.5e-3 (100%) Equals 7.51e-3 (100%)
General Ksp = 4S3 Feedback: Score:
0/1
4/15/2009 10:53 PM
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2 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
4. Chapter 11 Common Ion Effect 7 The Ksp of AgCl is 1.6 x 10-10. What is the solubility of AgCl in 0.10 M CaCl2 ? Give your answer using scientific notation and to 2 significant figures (i.e., one decimal place).
Student Response 1. not answered Score:
Value
Correct Answer
0%
Equals 8.0e-10 (100%)
0/1
5. pH Solubility 3 Which of the following compounds will have a different solubility with a change in pH?
Student Value Response 1. AgI
0%
2. PbCl2
0%
3. BaCrO4
100%
4. CuBr
0%
5. Hg2 I2
0%
Score:
Correct Answer
Feedback
0/1
6. Chapter 11 Precipitate 9 The Ksp of AgCl at 25 o C is 1.6 x 10-10. Consider a solution that is 1.0 x 10-7 M CaCl2 and 1.0 x 10-3 M AgNO3.
Student Response
Value
Correct Answer Feedback
1. Q > Ksp 100% and a precipitate will form. 2. Q > Ksp 0% and a precipitate will not form. 3. Q < Ksp 0% and a precipitate will not form.
4/15/2009 10:53 PM
View Attempt
3 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
4. Q < Ksp 0% and a precipitate will form. 5. The 0% solution is saturated. Score:
0/1
Done
4/15/2009 10:53 PM
1 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
1. Chapter 11 S Ksp 5 At 25 o C the solubility of copper(I) bromide is 2.05 x 10-4 mol/L. Calculate the value of Ksp at this temperature. Give your answer in scientific notation to 2 SIGNIFICANT FIGURES (even though this is strictly incorrect).
Student Response 1. not answered
Value
Correct Answer
0%
Equals 4.2e-8 (100%)
General Ksp = S2 Feedback: Score:
0/1
2. S g to Ksp 2 The solubility of silver dichromate at a given temperature is 0.00855 g/L. Calculate the Ksp at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer not answered Score:
Value
Correct Answer
0%
3.11E-14 (3.11 × 10-14)
0/1
3. Chapter 11 Ksp S 20 What is the solubility in moles/liter for barium fluoride at 25 o C given a Ksp value of 1.7 x 10-6 . Write using scientific notation and use 1 or 2 decimal places (even though this is strictly incorrect!)
Student Response 1. not answered
Value
Correct Answer
0%
Equals 7.52e-3 (100%) Equals 7.5e-3 (100%) Equals 7.51e-3 (100%)
General Ksp = 4S3 Feedback: Score:
0/1
4/15/2009 10:53 PM
View Attempt
2 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
4. Chapter 11 Common Ion Effect 7 The Ksp of AgCl is 1.6 x 10-10. What is the solubility of AgCl in 0.10 M CaCl2 ? Give your answer using scientific notation and to 2 significant figures (i.e., one decimal place).
Student Response 1. not answered Score:
Value
Correct Answer
0%
Equals 8.0e-10 (100%)
0/1
5. pH Solubility 3 Which of the following compounds will have a different solubility with a change in pH?
Student Value Response 1. AgI
0%
2. PbCl2
0%
3. BaCrO4
100%
4. CuBr
0%
5. Hg2 I2
0%
Score:
Correct Answer
Feedback
0/1
6. Chapter 11 Precipitate 9 The Ksp of AgCl at 25 o C is 1.6 x 10-10. Consider a solution that is 1.0 x 10-7 M CaCl2 and 1.0 x 10-3 M AgNO3.
Student Response
Value
Correct Answer Feedback
1. Q > Ksp 100% and a precipitate will form. 2. Q > Ksp 0% and a precipitate will not form. 3. Q < Ksp 0% and a precipitate will not form.
4/15/2009 10:53 PM
View Attempt
3 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
4. Q < Ksp 0% and a precipitate will form. 5. The 0% solution is saturated. Score:
0/1
Done
4/15/2009 10:53 PM
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