Answer question 11, Mass % HCI in sample. Then, show your setup for the calculation of the molarity of the HCI for Trial. For the last section, show your setup for the calculation of the percent HCI in the solution. (Use the chart for reference) II. Titration of an Acidic Solution0.289 M NaOHMolarity of standard NaOH solutionTrial 1Trial 2Trial 31.79.811.51. Initial buret reading, mL20.929.131.02. Final buret reading, mL19.219.319.53. Volume of NaOH, mL(see Example 1)0.01920.01930.0195*4. Volume of NaOH, L0.00554880.00557770.00563555. Moles of NAOH, mol0.00554880.00557770.00563556. Moles of HCI, mol2.002.002.007. Volume of HCI (The Works), mL(from pipet)0.0020.0020.0028. Volume of HCI, L2.772.792.829. Molarity of HCI, mol/L2.79 mol/L10. Average molarity HCI11. Mass % HCI in sample 11. Mass % HCl in sample* See Example 2 for calculations for lines 4-9Show your setup for the calculation of the molarity of the HCl for Trial 1 here. Refer to Example 2.Show your setup for the calculation of the percent HCl in the solution here. Refer to Example 3. Useyour average molarity.

Molarity of a solution can be calculated by: Molarity = No. of moles of soluteVolume of solution (in…

11. Mass % HCl in sample * See Example 2 for calculations for lines 4-9 Show your setup for the calculation of the molarity of the HCl for Trial 1 here. Refer to Example 2. Show your setup for the calculation of the percent HCl in the solution here. Refer to Example 3. Use your average molarity.

11. Mass % HCl in sample * See Example 2 for calculations for lines 4-9 Show your setup for the calculation of the molarity of the HCl for Trial 1 here. Refer to Example 2. Show your setup for the calculation of the percent HCl in the solution here. Refer to Example 3. Use your average molarity.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 45QAP

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Question

Answer question 11, Mass % HCI in sample. Then, show your setup for the calculation of the molarity of the HCI for Trial. For the last section, show your setup for the calculation of the percent HCI in the solution. (Use the chart for reference)

II. Titration of an Acidic Solution
0.289 M NaOH
Molarity of standard NaOH solution
Trial 1
Trial 2
Trial 3
1.7
9.8
11.5
1. Initial buret reading, mL
20.9
29.1
31.0
2. Final buret reading, mL
19.2
19.3
19.5
3. Volume of NaOH, mL
(see Example 1)
0.0192
0.0193
0.0195
*4. Volume of NaOH, L
0.0055488
0.0055777
0.0056355
5. Moles of NAOH, mol
0.0055488
0.0055777
0.0056355
6. Moles of HCI, mol
2.00
2.00
2.00
7. Volume of HCI (The Works), mL
(from pipet)
0.002
0.002
0.002
8. Volume of HCI, L
2.77
2.79
2.82
9. Molarity of HCI, mol/L
2.79 mol/L
10. Average molarity HCI
11. Mass % HCI in sample

11. Mass % HCl in sample
* See Example 2 for calculations for lines 4-9
Show your setup for the calculation of the molarity of the HCl for Trial 1 here. Refer to Example 2.
Show your setup for the calculation of the percent HCl in the solution here. Refer to Example 3. Use
your average molarity.

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