Indicate the pH range that selected the following buffer systems: a) NH3 / NH4Cl b) HOCl...

Question

Question

Indicate the pH range that selected the following buffer systems:
a) NH3 / NH4Cl
b) HOCl / NaOCl

Answer 1

Answer #1

Mig laq) + Holes NHgt lag) + ohran) NH, 4 (4) - NH (34) + c (o) INH] an Molarity of base [NH4t] z Holarity of salt K6 = [NH ]

Answer 2

Similar Homework Help Questions

1) The pH of a buffer system containing NH3 and NH4Cl is found to be 9.35....

1) The pH of a buffer system containing NH3 and NH4Cl is found to be 9.35. Calculate the ratio NH3/NH4Cl. 2) The pH of a buffer system containing Na2HPO4 and KH2PO4 is found to be 6.66. Calculate the ratio Na2HPO4/KH2PO4.
a) Calculate the pH of a buffer that is 0.20 M NH3 and 0.20 M NH4Cl...

a) Calculate the pH of a buffer that is 0.20 M NH3 and 0.20 M NH4Cl Correct? b) Calculate the pH after addition of 10 mL 0.10 M HCl to 65 mL of the buffer? c) Calculate the pH after addition of 5 mL of 1.0 M LiOH to 200 mL of the buffer?
6. (a) Calculate the pH of the 0.39 M NH3/ 0.73 M NH4Cl buffer system. pH...

6. (a) Calculate the pH of the 0.39 M NH3/ 0.73 M NH4Cl buffer system. pH = (b) What is the pH after the addition of 20.0 mL of 0.075 M NaOH to 80.0 mL of the buffer solution? pH =

Find the pH of a buffer that consists of 0.26 M NH3 and 0.18 M NH4Cl...

Find the pH of a buffer that consists of 0.26 M NH3 and 0.18 M NH4Cl (pKb of NH3 = 4.75).
What is the pH of a buffer containing 0.25 M NH3 and 0.45 M NH4Cl?

What is the pH of a buffer containing 0.25 M NH3 and 0.45 M NH4Cl?
What is the ratio of [NH4Cl]/[NH3] in order to make a NH3/NH4Cl buffer solution with pH=8.70....

What is the ratio of [NH4Cl]/[NH3] in order to make a NH3/NH4Cl buffer solution with pH=8.70. (Kb for NH3 is 1.8 x 10^–5)

In lab if you must make a buffer of pH=8.5, which of the following buffer systems...

In lab if you must make a buffer of pH=8.5, which of the following buffer systems would be best? How much of each species would you need in order to make 100ml of this buffer? 0.1M CH3COOH 0.1M NH3 0.1M KH2P04 0.1M NaCH3C00 0.1M NH4Cl 0.1M K2HPO4 *Please show all steps thank you!
In lab if you must make a buffer of pH=3.5, which of the following buffer systems...

In lab if you must make a buffer of pH=3.5, which of the following buffer systems would be best? How much of each species would you need in order to make 100ml of this buffer? 0.1M CH3COOH 0.1M NH3 0.1M KH2P04 0.1M NaCH3COO 0.1M NH4Cl 0.1M K2HPO4 *Please show all steps thank you!
Calculate the pH of a 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 25.0...

Calculate the pH of a 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 25.0 mL of 0.10 M HCl to 65.0 mL of the buffer.

Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.74 M in...

Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.74 M in NaOCl, what is the pH after 10.0 mL of 1.0 M NaOH has been added? (Ka for HOCl = 3.5 × 10–8) Select one: a. 7.78 b. 7.46 c. 7.72 d. 7.66