5. Part A.3. Calculate the mass of KHC,H₂O4 (molar mass=204.23 g/mol) that reacts with 15 mL of the 0.15 M NaOHsolution prepared in Part A.2. Express this mass KHC,H,O, to the correct number of significant figures and record thecalculation on the Report Sheet.6. a. Complete the following table of Trial 1 (See Report Sheet.) for determining the molar concentration of a standardNaOH solution, followed by the determination of the molar concentration of a monoprotic acid solution according tothe experimental procedure. Record calculated values with the correct number of significant figures.A. Standardization of a Sodium Hydroxide Solution1. Tared mass of KHC H₂O4 (g)2. Molar mass of KHC8H4O4 (g/mol)3. Moles of KHC3H₂O4 (mol)Show calculation.4. Buret reading, initial (mL)5. Buret reading, final (mL)6. Volume of NaOH dispensed (mL)7. Molar concentration ofNaOH solution (mol/L)Show calculation.B. Molar Concentration of an Acid Solution1. Volume of acid solution (mL)2. Buret reading, initial (mL)3. Buret reading, final (mL)4. Volume of NaOH dispensed (mL)5. Molar concentration of NaOH solution (mol/L)6. Moles of NaOH dispensed (mol)Show calculation.7. Molar concentration of acid solution (mol/L)Show calculation.0.411204.44Z4.2019.90ses25.03.7020.47NCalculation ZonePart A.3Part A.7Experiment 9 139Part B.6Part B.76. b. For Trials 2 and 3, the molar concentration of the acid was 0.0922 M and 0.0856 M respectively.a. What is the average molar concentration of the acid solution? Data Analysis, B.b. What are the standard deviation and the relative standard deviation (%RSD) for the molar concentration of theacid solution? Data Analysis, C and D.

The concentration of NaOH is given as 0.15 M.The volume of NaOH is given as 15 ml.The relationship…

5. Part A.3. Calculate the mass of KHC8H4O4 (molar mass=204.23 g/mol) that reacts with 15 mL of the 0.15 M NaOH solution prepared in Part A.2. Express this mass KHC,H4O4 to the correct number of significant figures and record the calculation on the Report Sheet.

5. Part A.3. Calculate the mass of KHC8H4O4 (molar mass=204.23 g/mol) that reacts with 15 mL of the 0.15 M NaOH solution prepared in Part A.2. Express this mass KHC,H4O4 to the correct number of significant figures and record the calculation on the Report Sheet.

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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Question

5. Part A.3. Calculate the mass of KHC,H₂O4 (molar mass=204.23 g/mol) that reacts with 15 mL of the 0.15 M NaOH
solution prepared in Part A.2. Express this mass KHC,H,O, to the correct number of significant figures and record the
calculation on the Report Sheet.
6. a. Complete the following table of Trial 1 (See Report Sheet.) for determining the molar concentration of a standard
NaOH solution, followed by the determination of the molar concentration of a monoprotic acid solution according to
the experimental procedure. Record calculated values with the correct number of significant figures.
A. Standardization of a Sodium Hydroxide Solution
1. Tared mass of KHC H₂O4 (g)
2. Molar mass of KHC8H4O4 (g/mol)
3. Moles of KHC3H₂O4 (mol)
Show calculation.
4. Buret reading, initial (mL)
5. Buret reading, final (mL)
6. Volume of NaOH dispensed (mL)
7. Molar concentration of
NaOH solution (mol/L)
Show calculation.
B. Molar Concentration of an Acid Solution
1. Volume of acid solution (mL)
2. Buret reading, initial (mL)
3. Buret reading, final (mL)
4. Volume of NaOH dispensed (mL)
5. Molar concentration of NaOH solution (mol/L)
6. Moles of NaOH dispensed (mol)
Show calculation.
7. Molar concentration of acid solution (mol/L)
Show calculation.
0.411
204.44
Z
4.20
19.90
ses
25.0
3.70
20.47
N
Calculation Zone
Part A.3
Part A.7
Experiment 9 139
Part B.6
Part B.7
6. b. For Trials 2 and 3, the molar concentration of the acid was 0.0922 M and 0.0856 M respectively.
a. What is the average molar concentration of the acid solution? Data Analysis, B.
b. What are the standard deviation and the relative standard deviation (%RSD) for the molar concentration of the
acid solution? Data Analysis, C and D.

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