2. After preparing the buffer, they decided to determine the buffer capacity of the solution by titration using 0.500 M NaOH as titrant. Given the data they obtained below, calculate the buffer capacity (3) of the ascorbate buffer that Jin and Jungkook prepared. Parameter Value/Measurement Volume of ascorbate buffer, mL 75.0 Initial pH reading 3.65 Final pH reading 4.65 Final buret reading, mL 46.45 Initial buret reading, mL 34.75 a. ApH = b. AVNaOH = mL c. Moles of titrant = d. Buffer Capacity (B) = mol

2. After preparing the buffer, they decided to determine the buffer capacity of the solution by titration using 0.500 M NaOH as titrant. Given the data they obtained below, calculate the buffer capacity (3) of the ascorbate buffer that Jin and Jungkook prepared. Parameter Value/Measurement Volume of ascorbate buffer, mL 75.0 Initial pH reading 3.65 Final pH reading 4.65 Final buret reading, mL 46.45 Initial buret reading, mL 34.75 a. ApH = b. AVNaOH = mL c. Moles of titrant = d. Buffer Capacity (B) = mol

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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Name: Date: Section: Report Sheet: pH: Measurement and Application. A: Determination of pH Using Acid-Base Indicators: Indicator Color NaH,PO, HC,H,O, ZNSO, Methyl Violet Thymol Blue Methyl Yellow Congo Red Bromocresol Green pH Range B: Measurement of the pH of Solutions Record the measured pH and the color observed using bromocresol green for each 0.1 M solution NaH,PO, HC,H,O, ZNSO, C: Determination of K, for a Weak Acid Volume Used(Liters) Moles [HC,H,O,] M HC,H;O, () HC,H,O, |NaC,H;O,] M NaC,H,O, (L) NaC,H,O; Buffer pH pK, HC,H,O, K, HC,H,O, 115
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