1. In Acidic Buffer solution (HNO;J/INO,] when the value of pH - pka +1, the ratio of (HNO,/[NO,] is 2. The most effective pH buffering range for a benzoic acid/benzoate buffer is .(Ka of benzoic acid - 6.3 x 10) 3. The pOH of 20 % titration of 20 ml of 0.10 M HCI with 0,10 M NaOH Is .

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter20: Applications Of Oxidation/reduction Titrations
Section: Chapter Questions
Problem 20.29QAP
icon
Related questions
icon
Concept explainers
Question
1. In Acidic Buffer solution [HNO,/INO,] when the value of pH pKa +1, the ratio of (HNO,1/INO,] is.
2. The most effective pH buffering range for a benzoic acid/benzoate buffer is.. ( Ka of benzoic acid - 6.3 x 10*)
3. The pOH of 20 % tltration of 20 ml of 0.10 M HCI with 0,10 M N2OH is.
4. If a 40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NAOH. at the equivalence point the pH is
(Kb - 5.6x10-10 ).
5. An ore is analyzed for the Iron content by converting the Iron to Fe (OH), and weighing it. If a 1.543 g sample yields
0.160 g of Fe;Os, the percent of Fe,0, in the sample will be . [Fe,O3=160g/mol, Fe,0,-231.5 g/mol]
.....
Use the editor to format your answer
Transcribed Image Text:1. In Acidic Buffer solution [HNO,/INO,] when the value of pH pKa +1, the ratio of (HNO,1/INO,] is. 2. The most effective pH buffering range for a benzoic acid/benzoate buffer is.. ( Ka of benzoic acid - 6.3 x 10*) 3. The pOH of 20 % tltration of 20 ml of 0.10 M HCI with 0,10 M N2OH is. 4. If a 40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NAOH. at the equivalence point the pH is (Kb - 5.6x10-10 ). 5. An ore is analyzed for the Iron content by converting the Iron to Fe (OH), and weighing it. If a 1.543 g sample yields 0.160 g of Fe;Os, the percent of Fe,0, in the sample will be . [Fe,O3=160g/mol, Fe,0,-231.5 g/mol] ..... Use the editor to format your answer
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Ionic Equilibrium
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:
9781285640686
Author:
Skoog
Publisher:
Cengage
Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:
9780618974122
Author:
Andrei Straumanis
Publisher:
Cengage Learning
Appl Of Ms Excel In Analytical Chemistry
Appl Of Ms Excel In Analytical Chemistry
Chemistry
ISBN:
9781285686691
Author:
Crouch
Publisher:
Cengage