Question 1 of 5What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8x 10 4) and 0.200 mol of NaF to which 0.140 mol-of NaOH wereadded?2.87916.8.9.+/-0.O Type here to search683.2.LO4. Apps G Businesses-Googl.£ Downloads New Tab Massage Therapy-O Candy Kush Auto-FSVomiting from Smo.Video Deep muscleQuestion 2 of 5How many moles of CH NH.CI need to be added to 200.0 mL of a0.500 M solution of CH:NH2 (Kb for CH:NH2 is 4.4 x 10 4) to make abuffer with a pH of 10.70?mol+/-ype here to search3.6.902]5.8.4.7.

Let moles of NaOH = 0.14 = x pH = pKa + log salt + x / acid - x pH = 4 - log 6.8 + log 0.2 + 0.14…

Answered: Question 1 of 5 What is the pH of a 1.0…

Question 1 of 5 What is the pH of a 1.0 L buffer made with 0.300 mol of HF (Ka = 6.8 x 10 4) and 0.200 mol of NaF to which 0.140 mol-of NaOH were added? %3D

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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Concept explainers

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.

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Question 2 of 5
How many moles of CH NH.CI need to be added to 200.0 mL of a
0.500 M solution of CH:NH2 (Kb for CH:NH2 is 4.4 x 10 4) to make a
buffer with a pH of 10.70?
mol
+/-
ype here to search
3.
6.
90
2]
5.
8.
4.
7.

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