Answered: 1. A student uses a solution of 0.30…

1. A student uses a solution of 0.30 mol/L HCI to titrate a 45.0 mL solution of 0.35 mol/L methylamine, CH,NH,. Calculate the pH at this point.

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

1. A student uses a solution of 0.30 mol/L HCI to titrate a 45.0 mL solution of 0.35 mol/L methylamine,
CH,NH,. Calculate the pH at this point.

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Step 1: Introduction.

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Step 2: Calculation for the Volume of HCl.

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Step 3: Calculation for moles of methylamine.

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Step 4: ICE table.

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Step 5: Calculation for the H+ concentration.

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Step 6: Calculation of pH.

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