Need up with #7 please. pkb = -10gkbDH =14-pOH = II. 255 = |1.263D11,2556. Calculate the pH of a NH4 buffer system when 20.0 mL of 0.10 M NH3 is mixed with 10.0 mL of a0.10 M NH4CI.7. Calculate the pH of a NH4* buffer system when 10.0 mL of 0.10M NH3 is mixed with 10.0 mL of a0.010 M NH4CI.BufferLab-

Basic buffer pOH , Henderson equation is pOH = pKb + log (nsalt / nbase) Where pKb o NH3 = 4.74…

Answered: Calculate the pH of a NH4* buffer…

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Calculate the pH of a NH4* buffer syster 0.010 M NH4CI.

Chemistry

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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

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Need up with #7 please.

pkb = -10gkb
DH =14-pOH = II. 255 = |1.26
3D11,255
6. Calculate the pH of a NH4 buffer system when 20.0 mL of 0.10 M NH3 is mixed with 10.0 mL of a
0.10 M NH4CI.
7. Calculate the pH of a NH4* buffer system when 10.0 mL of 0.10M NH3 is mixed with 10.0 mL of a
0.010 M NH4CI.
BufferLab-

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