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Author Question: What is the resulting pH when 0.005 moles of KOH is added to 0.100 L of a buffer solution that is ... (Read 56 times)

Redwolflake15

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on: Feb 15, 2020

Question 1

What is the magnitude of the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 × 10-5.
◦ 1.30
◦ 0.20
◦ 0.00
◦ 0.47

Question 2

What is the resulting pH when 0.005 moles of KOH is added to 0.100 L of a buffer solution that is 0.100 M in H2PO4- and 0.100 M HPO42- and the Ka2 = 6.2 × 10-8?
◦ 5.61
◦ 5.21
◦ 6.73
◦ 7.69
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by Redwolflake15 on Feb 15, 2020

kishoreddi

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Reply #1 on: Feb 15, 2020
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Redwolflake15

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Reply 2 on: Feb 15, 2020
Excellent

zacnyjessica

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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