Super Ninja has a 10.00 mL sample of 0.15 M of chlorous acid, HClO2(aq). 1)This acid is titrated with 0.20 M sodium hydroxide, NaOH. (i) Calculate the initial pH of the acid before titrating. (ii) Calculate the pH at the equivalence point. (iii) what indicator would you choose for this titration? explain why?
Super Ninja has a 10.00 mL sample of 0.15 M of chlorous acid, HClO2(aq). 1)This acid is titrated with 0.20 M sodium hydroxide, NaOH. (i) Calculate the initial pH of the acid before titrating. (ii) Calculate the pH at the equivalence point. (iii) what indicator would you choose for this titration? explain why?
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter21: Lipids
Section: Chapter Questions
Problem 21.62P
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Super Ninja has a 10.00 mL sample of 0.15 M of chlorous acid, HClO2(aq).
1)This acid is titrated with 0.20 M sodium hydroxide, NaOH.
(i) Calculate the initial pH of the acid before titrating.
(ii) Calculate the pH at the equivalence point.
(iii) what indicator would you choose for this titration? explain why?
![Indicator
Low pH
Color change pH
High pH
color
interval
color
phenolphthalein colorless
8.3 – 10
pink
(magenta)
methyl orange
red
3.1 – 4.4
yellow
bromothymol
yellow
6.0 – 7.6
blue
blue
bromocresol
yellow
3.8 – 5.4
blue
green
alizarin yellow
yellow
10.2 – 12.0
red](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8ad350ce-38e8-48fb-9741-67c880c63336%2F3311c7c5-eef9-42a9-b837-0adf8319088d%2F25s3u2s_processed.png&w=3840&q=75)
Transcribed Image Text:Indicator
Low pH
Color change pH
High pH
color
interval
color
phenolphthalein colorless
8.3 – 10
pink
(magenta)
methyl orange
red
3.1 – 4.4
yellow
bromothymol
yellow
6.0 – 7.6
blue
blue
bromocresol
yellow
3.8 – 5.4
blue
green
alizarin yellow
yellow
10.2 – 12.0
red
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