
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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A)What is the pH of a buffer prepared by adding 0.506 molmol of the weak acid HAHA to 0.507 molmol of NaANaA in 2.00 LL of solution? The dissociation constant KaKa of HAHAis 5.66×10−75.66×10−7.
b)What is the pHpH after 0.150 molmol of HClHCl is added to the buffer from Part A? Assume no volume change on the addition of the acid.
c).What is the pHpH after 0.195 molmol of NaOHNaOH is added to the buffer from Part A? Assume no volume change on the addition of the base.
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