H3NH2 mixed with 0.50 moles of CH3NH3Cl in water. If 0.10 moles of HCl are added to this solution, which of the following statement is true? [Select all that apply] Group of answer choices The pH of the solution increases after the addition. The pH of the solution decreases after the addition. The moles of CH3NH3+(aq) in the solution increase after the addition. The moles of CH3NH2(aq) in the solution increase after the addition. The pH of the resultant solution will be equal to the pKa of CH3NH3+.
H3NH2 mixed with 0.50 moles of CH3NH3Cl in water. If 0.10 moles of HCl are added to this solution, which of the following statement is true? [Select all that apply] Group of answer choices The pH of the solution increases after the addition. The pH of the solution decreases after the addition. The moles of CH3NH3+(aq) in the solution increase after the addition. The moles of CH3NH2(aq) in the solution increase after the addition. The pH of the resultant solution will be equal to the pKa of CH3NH3+.
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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Question
Consider a buffer solution initially containing 0.30 moles of CH3NH2 mixed with 0.50 moles of CH3NH3Cl in water. If 0.10 moles of HCl are added to this solution, which of the following statement is true? [Select all that apply]
Group of answer choices
The pH of the solution increases after the addition.
The pH of the solution decreases after the addition.
The moles of CH3NH3+(aq) in the solution increase after the addition.
The moles of CH3NH2(aq) in the solution increase after the addition.
The pH of the resultant solution will be equal to the pKa of CH3NH3+.
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