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+.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.24QP: You have 0.10-mol samples of three acids identified simply as HX, HY, and HZ. For each acid, you...
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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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