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K of an Indicator ReporT sheet Name

K of an Indicator ReporT sheet Name

Chemistry
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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How do you find the corresponding values 

**K\(_a\) of an Indicator - Report Sheet** --- **Date and Time:** - M T W T F (Circle the day) --- **Variables:** - \( N_x \) = moles acetate present in solution B = \( 3.2 \times 10^{-4} \) mole Ac\(^-\) - Moles \( m \, XV = 0.16 \, \text{mol/L} \times 2.10 \times 10^{-3} = 0.00032 \) --- **Molarity HAc in Solution A:** - \( 0.16 \, \text{M HAc} \) --- ### Data Table | mL Soln A Added | pH | Absorbance at \( A_{\max} \) | 6 | 7 | 8 | 9 | log \(\frac{[HIn]}{[In^-]}\) | 10 | 11 | 12 | |-----------------|-----|-----------------------------|---|---|---|---|---------------------------|----|----|----| | 0.0 | 4.94 | \( A = 0.371 \) | X | X | X | X | 0.188 | 0.037 | 8.79 | 5.11 | | 1.0 | 4.70 | \( A = 0.364 \) | 5 | 0.5 | 5 | 4.639 | 1.821 | 0.083 | 5.02 | | 2.0 | 4.50 | \( A = 0.307 \) | 4 | 15 | 0.196 | 4.876 | 0.083 | 4.96 | | 3.0 | 4.45 | \( A = 0.235 \) | 5 | 25 | 0.199 | 4.571 | 2.029 | 3.79 | | 4.0 | 4.34 | \( A = 0.196 \) | 6 | 25 | 0.397 | 4.707 | 11.5 | 18.9 | | 5.0
Transcribed Image Text:**K\(_a\) of an Indicator - Report Sheet** --- **Date and Time:** - M T W T F (Circle the day) --- **Variables:** - \( N_x \) = moles acetate present in solution B = \( 3.2 \times 10^{-4} \) mole Ac\(^-\) - Moles \( m \, XV = 0.16 \, \text{mol/L} \times 2.10 \times 10^{-3} = 0.00032 \) --- **Molarity HAc in Solution A:** - \( 0.16 \, \text{M HAc} \) --- ### Data Table | mL Soln A Added | pH | Absorbance at \( A_{\max} \) | 6 | 7 | 8 | 9 | log \(\frac{[HIn]}{[In^-]}\) | 10 | 11 | 12 | |-----------------|-----|-----------------------------|---|---|---|---|---------------------------|----|----|----| | 0.0 | 4.94 | \( A = 0.371 \) | X | X | X | X | 0.188 | 0.037 | 8.79 | 5.11 | | 1.0 | 4.70 | \( A = 0.364 \) | 5 | 0.5 | 5 | 4.639 | 1.821 | 0.083 | 5.02 | | 2.0 | 4.50 | \( A = 0.307 \) | 4 | 15 | 0.196 | 4.876 | 0.083 | 4.96 | | 3.0 | 4.45 | \( A = 0.235 \) | 5 | 25 | 0.199 | 4.571 | 2.029 | 3.79 | | 4.0 | 4.34 | \( A = 0.196 \) | 6 | 25 | 0.397 | 4.707 | 11.5 | 18.9 | | 5.0
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