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Topic: Acid Base Reaction help  (Read 949 times)

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Offline Nickiroo

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Acid Base Reaction help
« on: January 15, 2019, 01:49:16 PM »
I can’t figure these out, help?
I already tried using RICE tables and trying to figure out what to do, however I can’t seem to get the correct pH, all my attempts have failed. This is for FRQ practice, please help.

Question 1:
125 mL of a 0.525M HCl is mixed with 125 mL of a buffer system containing 1M acetic acid and 1M sodium acetate. Find the pH of the solution. The Ka of acetic acid is 1.8*10^-5

Question 2:
125 mL of a .5M NaOH is mixed with 125 mL of .5 M acetic acid. Find the pH of the solution. The Ka of acetic acid is 1.8*10^-5

Offline Babcock_Hall

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Re: Acid Base Reaction help
« Reply #1 on: January 15, 2019, 04:14:24 PM »
Have you tried using the Henderson-Hasselbalch equation?

Offline Borek

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Re: Acid Base Reaction help
« Reply #2 on: January 15, 2019, 04:57:43 PM »
ChemBuddy chemical calculators - stoichiometry, pH, concentration, buffer preparation, titrations.info, pH-meter.info

Offline firesoft

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Re: Acid Base Reaction help
« Reply #3 on: January 31, 2019, 06:18:08 AM »
yes, its helps
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