6. () A 40 mL sample of a 0.2 M RNHz (kb = 3.7 x 10") is titrated with 0.2 M HC (eg). Calculatethe pH after the addition of each of the following volume acids.a) Initial pH(b) Volume of HCI (ag): 20 mL(c) Volume of HCI (ag): 39.9 mL(d) Volume of HCI (ag): 40.0 mL(e) Volume of HCI (ag): 40.1 mL

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6. ( ) A 40 mL sample of a 0.2 M RNHz (kb = 3.7 x 10") is titrated with 0.2 M HC the pH after the addition of each of the following volume acids. (eg)- Calculate a) Initial pH (b) Volume of HCI (ag): 20 mL (c) Volume of HCI (ag): 39.9 mL (d) Volume of HCI (ag): 40.0 mL (e) Volume of HCI (ag): 40.1 mL

6. ( ) A 40 mL sample of a 0.2 M RNHz (kb = 3.7 x 10") is titrated with 0.2 M HC the pH after the addition of each of the following volume acids. (eg)- Calculate a) Initial pH (b) Volume of HCI (ag): 20 mL (c) Volume of HCI (ag): 39.9 mL (d) Volume of HCI (ag): 40.0 mL (e) Volume of HCI (ag): 40.1 mL

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.

Question

6. (
) A 40 mL sample of a 0.2 M RNHz (kb = 3.7 x 10") is titrated with 0.2 M HC (eg). Calculate
the pH after the addition of each of the following volume acids.
a) Initial pH
(b) Volume of HCI (ag): 20 mL
(c) Volume of HCI (ag): 39.9 mL
(d) Volume of HCI (ag): 40.0 mL
(e) Volume of HCI (ag): 40.1 mL

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Step 1: (a) Initial pH

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Step 2: Addition of 20 mL of HCl

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Step 3: Addition of 39.9 mL of HCl

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Step 4: Addition of 40 mL of HCl

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Step 5: Addition of 40.1 mL of HCl

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