Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.2: Controlling Ph: Buffer Solutions
Problem 4RC: 4. To prepare a buffer containing CH3CO2H and NaCH3CO2 and having a pH of 5, the ratio of the...
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Please solve 1, 3 & 4 for me.
![1)[CLO-6] Calculate the pMg in the reaction of 50 mL of 0.1 M Mg (buffered to pH 10) with 25 mL of
0.2 M EDTA.
Mg²+ EDTA →MgY²
Kf=2.2 x 10¹8
A)4.97
B)3.75
C)5.32
D)4.75
E)4.25](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5886f74-dd44-4837-bf5c-ad1ed376030b%2Fd44a358d-ee3b-4102-bbab-719d91f5e583%2Fxn3hhc4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1)[CLO-6] Calculate the pMg in the reaction of 50 mL of 0.1 M Mg (buffered to pH 10) with 25 mL of
0.2 M EDTA.
Mg²+ EDTA →MgY²
Kf=2.2 x 10¹8
A)4.97
B)3.75
C)5.32
D)4.75
E)4.25
![3)[CLO-6] What is the pH of 0.01 M disodium o-Phthalate, C6H4(COONa)2 solution?
Notice that for C6H4(COOH)2, Kal-1.12 x 10³, K₁2= 3.91 x 10.
A)9.71
B)2.55
C)4.95
D)8.70
E)5.30
4)[CLO-5] What is the pH of the solution that is produced by mixing 50 ml of 0.05 M HCl with
10 ml of 0.25 M NaOH?
A) 2.0
B)1.0
C)0.69
D)14.00
E)7.00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5886f74-dd44-4837-bf5c-ad1ed376030b%2Fd44a358d-ee3b-4102-bbab-719d91f5e583%2Fqujq3yr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3)[CLO-6] What is the pH of 0.01 M disodium o-Phthalate, C6H4(COONa)2 solution?
Notice that for C6H4(COOH)2, Kal-1.12 x 10³, K₁2= 3.91 x 10.
A)9.71
B)2.55
C)4.95
D)8.70
E)5.30
4)[CLO-5] What is the pH of the solution that is produced by mixing 50 ml of 0.05 M HCl with
10 ml of 0.25 M NaOH?
A) 2.0
B)1.0
C)0.69
D)14.00
E)7.00
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