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Author Question: What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl ... (Read 93 times)

SGallaher96

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Question 1

Sodium hypochlorite, NaOCl, is the active ingredient in household bleach. What is the concentration of hypochlorite ion if 20.00 mL of bleach requires 31.00 mL of 0.500 M HCl to reach the equivalence point?
◦ 0.333 M
◦ 0.775 M
◦ 1.28 M
◦ 0.275 M

Question 2

What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.20 M HCl? Ka = 3.0 × 10-8 for HOCl.
◦ 4.23
◦ 3.76
◦ 3.39
◦ 0.70


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Marked as best answer by SGallaher96 on Feb 15, 2020

essyface1

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SGallaher96

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Reply 2 on: Feb 15, 2020
YES! Correct, THANKS for helping me on my review


sailorcrescent

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Reply 3 on: Yesterday
Excellent

 

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