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b. [H] = 0.01 M Standard Acid: %3D Pipette out 0.5 mL of the acid solution prepared in (a) and place in vial no. 2. Now measure 4.5 mL of distilled water using the 5-mL pipette and add this to vial no. 2. Label this as: [H] = 0.01 M Note: Use 1-mL pipette to measure 0.5 mL. of acid solution, Use 5-mL pipette to measure 4.5 mL distilled water. Compute the concentration of acid standard (b). Show computation:

b. [H] = 0.01 M Standard Acid: %3D Pipette out 0.5 mL of the acid solution prepared in (a) and place in vial no. 2. Now measure 4.5 mL of distilled water using the 5-mL pipette and add this to vial no. 2. Label this as: [H] = 0.01 M Note: Use 1-mL pipette to measure 0.5 mL. of acid solution, Use 5-mL pipette to measure 4.5 mL distilled water. Compute the concentration of acid standard (b). Show computation:

Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter16: Solutions
Section: Chapter Questions
Problem 100E: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory as a...
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Answer letter b. Letter A is just a guide question ( no answer needed basically)

 

I. PURPOSE: To determine the hydrogen ion concentration of solutions II. MATERIALS: 5 mL of 0.1 M HCI, 5 mL of 0.1 M NaOH, 10 mL of unknown solution, methyl orange, alizarin yellow, litmus paper. III. APPARATUS: 5 mL pipette, 1 mL pipette, 12 test tubes (of the same size) or vials (of the same size) IV. PROCEDURE: Part I-The preparation of Standard Acid: Prepare four dry clean vials/test tubes of the same size to be used for standard preparation. Label them vials 1, 2, 3 and 4. a. [H] = 0.1 M Standard Acid: Pipette out 5 mL of 0.1 M HCI solutions and place in vial no. 1 reserved above. Label this as: [H] = 0.1 M Note: Use the 5-mL pipette to measure the acid solution. b. [H] = 0.01M Standard Acid: %3D Pipette out 0.5 mL of the acid solution prepared in (a) and place in vial no. 2. Now measure 4.5 mL of distilled water using the 5-mL pipette and add this to vial no. 2. Label this as: [H] = 0.01 M Note: Use 1-mL pipette to measure 0.5 ml. of acid solution, Use 5-mL pipette to measure 4.5 mL distilled water. %3D Compute the concentration of acid standard (b). Show computation:
Transcribed Image Text:I. PURPOSE: To determine the hydrogen ion concentration of solutions II. MATERIALS: 5 mL of 0.1 M HCI, 5 mL of 0.1 M NaOH, 10 mL of unknown solution, methyl orange, alizarin yellow, litmus paper. III. APPARATUS: 5 mL pipette, 1 mL pipette, 12 test tubes (of the same size) or vials (of the same size) IV. PROCEDURE: Part I-The preparation of Standard Acid: Prepare four dry clean vials/test tubes of the same size to be used for standard preparation. Label them vials 1, 2, 3 and 4. a. [H] = 0.1 M Standard Acid: Pipette out 5 mL of 0.1 M HCI solutions and place in vial no. 1 reserved above. Label this as: [H] = 0.1 M Note: Use the 5-mL pipette to measure the acid solution. b. [H] = 0.01M Standard Acid: %3D Pipette out 0.5 mL of the acid solution prepared in (a) and place in vial no. 2. Now measure 4.5 mL of distilled water using the 5-mL pipette and add this to vial no. 2. Label this as: [H] = 0.01 M Note: Use 1-mL pipette to measure 0.5 ml. of acid solution, Use 5-mL pipette to measure 4.5 mL distilled water. %3D Compute the concentration of acid standard (b). Show computation:
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