Attempt 1
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Attempt 1 as PDF for free.
More details
- Words: 382
- Pages: 3
View Attempt
1 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
1. Chapter 11 S Ksp 4 At 25 o C the solubility of calcium carbonate is 9.33 x 10-5 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. 8.7E-9
Value
Correct Answer
100%
Equals 8.7e-9 (100%)
General Ksp = S2 Feedback: Score:
1/1
2. S g to Ksp 3 The solubility of silver(I)phosphate at a given temperature is 3.101 g/L. Calculate the Ksp at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer 2.71E-8 Score:
Value
Correct Answer
0%
8.10E-8 (8.10 × 10-8 )
0/1
3. Ksp to S 2 The Ksp of silver carbonate at a given temperature is 5.60 x 10-12 M. Calculate the molar solubility at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer 1.12E-4 Score:
Value
Correct Answer
100%
1.12E-4 (1.12 × 10-4 )
1/1
4. Common Ion Calc 4 The Ksp of silver(I)phosphate at a given temperature is 8.06 x 10-11 M. Calculate the molar solubility in 0.553 M Na3 PO4 at this temperature. Use E notation and give your answer to 3 significant figures.
4/15/2009 10:54 PM
View Attempt
2 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
Student Response Answer 4.86E-11 Score:
Value
Correct Answer
0%
1.77E-4 (1.77 × 10-4 )
0/1
5. pH Solubility 1 Which of the following compounds will not have a different solubility with a change in pH?
Student Response 1. AgNO3
Value
Correct Answer Feedback
100%
2. Ca3 (AsO4 )2 0% 3. SrCO3
0%
4. CuF
0%
5. CuS
0%
Score:
1/1
6. Chapter 11 Precipitate 19 The Ksp of CaF2 at 25 o C is 4 x 10-11. Consider a solution that is 1.0 x 10-4 M Ca(NO3 )2 and 2.0 x 10-4 M NaF.
Student Response
Value
Correct Answer Feedback
1. Q > Ksp 0% and a precipitate will form. 2. Q > Ksp 0% and a precipitate will not form. 3. Q < Ksp 100% and a precipitate will not form. 4. Q < Ksp 0% and a precipitate will form.
4/15/2009 10:54 PM
View Attempt
3 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
5. The 0% solution is saturated. Score:
1/1
Done
4/15/2009 10:54 PM
1 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
1. Chapter 11 S Ksp 4 At 25 o C the solubility of calcium carbonate is 9.33 x 10-5 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. 8.7E-9
Value
Correct Answer
100%
Equals 8.7e-9 (100%)
General Ksp = S2 Feedback: Score:
1/1
2. S g to Ksp 3 The solubility of silver(I)phosphate at a given temperature is 3.101 g/L. Calculate the Ksp at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer 2.71E-8 Score:
Value
Correct Answer
0%
8.10E-8 (8.10 × 10-8 )
0/1
3. Ksp to S 2 The Ksp of silver carbonate at a given temperature is 5.60 x 10-12 M. Calculate the molar solubility at this temperature. Use E notation and give your answer to 3 significant figures.
Student Response Answer 1.12E-4 Score:
Value
Correct Answer
100%
1.12E-4 (1.12 × 10-4 )
1/1
4. Common Ion Calc 4 The Ksp of silver(I)phosphate at a given temperature is 8.06 x 10-11 M. Calculate the molar solubility in 0.553 M Na3 PO4 at this temperature. Use E notation and give your answer to 3 significant figures.
4/15/2009 10:54 PM
View Attempt
2 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
Student Response Answer 4.86E-11 Score:
Value
Correct Answer
0%
1.77E-4 (1.77 × 10-4 )
0/1
5. pH Solubility 1 Which of the following compounds will not have a different solubility with a change in pH?
Student Response 1. AgNO3
Value
Correct Answer Feedback
100%
2. Ca3 (AsO4 )2 0% 3. SrCO3
0%
4. CuF
0%
5. CuS
0%
Score:
1/1
6. Chapter 11 Precipitate 19 The Ksp of CaF2 at 25 o C is 4 x 10-11. Consider a solution that is 1.0 x 10-4 M Ca(NO3 )2 and 2.0 x 10-4 M NaF.
Student Response
Value
Correct Answer Feedback
1. Q > Ksp 0% and a precipitate will form. 2. Q > Ksp 0% and a precipitate will not form. 3. Q < Ksp 100% and a precipitate will not form. 4. Q < Ksp 0% and a precipitate will form.
4/15/2009 10:54 PM
View Attempt
3 of 3
https://scholar.uh.edu/webct/ViewStudentAttempt.dowebct?attempt=1686...
5. The 0% solution is saturated. Score:
1/1
Done
4/15/2009 10:54 PM
Related Documents
Attempt 1
April 2020 4
W!coworld Attempt 1
November 2019 5
Attempt 2
April 2020 3
Attempt 4
April 2020 4
View Attempt
July 2020 1