Chemistry
10th Edition
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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How do I set up the equation to solve for trail 2?
![Part B: Standardizing the diluted KMNO4 solution
Calculate: Determine the volume of oxalic acid (H2C204 • 2H20) standard that would use about 15mL of KMNO4
Concentration of given stock oxalic acid (H2C204 • 2H2O)
0.02
Hint- start with 15 mL of your created stock KMNO4 solution
moles of KMNO4 to fully react
0.00030 mols
moles of oxalic acid (H2C204 ● 2H2O) 0.00075 mols
ml of stock oxalic acid (H2C204 • 2H20) 37.50000 mL
Calculate the exact Molarity of KMNO4 solution
Trial 1
Trial 2
Trial 3
Average
Precision
Volume (mL) of oxalic acid (H2C2O4 • 2H2O) used
37.09
37.35
37.99
---
---
Volume (mL) of KMNO4 used
moles of KMNO4
15.84
16.56
16.66
---
---
0.000297
---
----
Exact concentration of KMNO4
0.0187
0.0183](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fffbfb2a6-9903-467b-958e-e971efe936a0%2Fa5546d15-f210-4798-85da-4151ffc16c14%2F6f5wj6a_processed.png&w=3840&q=75)
Transcribed Image Text:Part B: Standardizing the diluted KMNO4 solution
Calculate: Determine the volume of oxalic acid (H2C204 • 2H20) standard that would use about 15mL of KMNO4
Concentration of given stock oxalic acid (H2C204 • 2H2O)
0.02
Hint- start with 15 mL of your created stock KMNO4 solution
moles of KMNO4 to fully react
0.00030 mols
moles of oxalic acid (H2C204 ● 2H2O) 0.00075 mols
ml of stock oxalic acid (H2C204 • 2H20) 37.50000 mL
Calculate the exact Molarity of KMNO4 solution
Trial 1
Trial 2
Trial 3
Average
Precision
Volume (mL) of oxalic acid (H2C2O4 • 2H2O) used
37.09
37.35
37.99
---
---
Volume (mL) of KMNO4 used
moles of KMNO4
15.84
16.56
16.66
---
---
0.000297
---
----
Exact concentration of KMNO4
0.0187
0.0183
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