Answer letter b. Letter A is just a guide question ( no answer needed basically) I. PURPOSE: To determine the hydrogen ion concentration of solutionsII. MATERIALS: 5 mL of 0.1 M HCI, 5 mL of 0.1 M NaOH, 10 mL of unknownsolution, methyl orange, alizarin yellow, litmus paper.III. APPARATUS: 5 mL pipette, 1 mL pipette, 12 test tubes (of the same size) orvials (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 beused 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 MNote: Use the 5-mL pipette to measure the acid solution.b. [H] = 0.01M Standard Acid:%3DPipette out 0.5 mL of the acid solution prepared in (a) andplace in vial no. 2. Now measure 4.5 mL of distilled water usingthe 5-mL pipette and add this to vial no. 2.Label this as: [H] = 0.01 MNote: Use 1-mL pipette to measure 0.5 ml. of acid solution, Use5-mL pipette to measure 4.5 mL distilled water.%3DCompute the concentration of acid standard (b).Show computation:

Given - (a) Acid concentration of acid standard (a) = 0.1 M Volume is = 5 mL (b) Now, acid…

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:

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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