a Calculate the pH of a solution that is 0.20 M HOCI and 0.88 M KOCI. Ka = 3.5x10-8 pH = 8.1 b In order for HOCI/KOCI buffer to have pH = pka, would you add HCI or NaOH? pka = 7.46 pH = 8.1 NaOH HCI C What quantity (moles) of HCl would you add to 1.0 L of the original buffer (0.20 M HOCI and 0.88 M KOCI) so that the resulting solution has pH = pką? pka = 7.46 Quantity = mol Submit

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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 16.147QP
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a Calculate the pH of a solution that is 0.20 M HOCI and 0.88 M KOCI.
Ka = 3.5x10-8
pH = 8.1
b In order for HOCI/KOCI buffer to have pH = pKa, would you add HCI or NaOH?
pKa
= 7.46
pH = 8.1
NaOH
O HCI
What quantity (moles) of HCI would you add to 1.0 L of the original buffer (0.20 M HOCI and 0.88 M KOCI) so that the resulting solution has pH = pKą?
pka = 7.46
Quantity =
mol
Submit
Transcribed Image Text:a Calculate the pH of a solution that is 0.20 M HOCI and 0.88 M KOCI. Ka = 3.5x10-8 pH = 8.1 b In order for HOCI/KOCI buffer to have pH = pKa, would you add HCI or NaOH? pKa = 7.46 pH = 8.1 NaOH O HCI What quantity (moles) of HCI would you add to 1.0 L of the original buffer (0.20 M HOCI and 0.88 M KOCI) so that the resulting solution has pH = pKą? pka = 7.46 Quantity = mol Submit
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