Solution Found!
Answer: Use the Henderson–Hasselbalch equation to
Chapter 16, Problem 39E(choose chapter or problem)
Use the Henderson-Hasselbalch equation to calculate the pH of each solution.
a. A solution that is 0.135 M in HClO and 0.155 M in KClO.
b. A solution that contains 1.05 % \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{H}}_{\rm{2}}}\) by mass and 1.10 % \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{H}}_3}{\rm{Br}}\) by mass.
c. A solution that contains 10.0 g of \({\rm{H}}{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{3}}}{{\rm{O}}_{\rm{2}}}\) and 10.0 g of \({\rm{Na}}{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{3}}}{{\rm{O}}_{\rm{2}}}\) in 150.0 mL of solution.
Questions & Answers
QUESTION:
Use the Henderson-Hasselbalch equation to calculate the pH of each solution.
a. A solution that is 0.135 M in HClO and 0.155 M in KClO.
b. A solution that contains 1.05 % \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{H}}_{\rm{2}}}\) by mass and 1.10 % \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{N}}{{\rm{H}}_3}{\rm{Br}}\) by mass.
c. A solution that contains 10.0 g of \({\rm{H}}{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{3}}}{{\rm{O}}_{\rm{2}}}\) and 10.0 g of \({\rm{Na}}{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{3}}}{{\rm{O}}_{\rm{2}}}\) in 150.0 mL of solution.
ANSWER:Step 1 of 9
The Henderson-Hasselbalch equation is used to find the pH and pOH of solutions. The equation is as follows:
\({\rm{pH}} = {\rm{p}}{{\rm{K}}_{\rm{a}}} + \log \frac{{\left( {{\rm{salt}}} \right)}}{{\left( {{\rm{acid}}} \right)}}\)