Podcast
Questions and Answers
At the equivalence point of a weak base/strong acid titration, what is the pH of the solution?
At the equivalence point of a weak base/strong acid titration, what is the pH of the solution?
What is the pOH at the halfway point of a weak base/strong acid titration?
What is the pOH at the halfway point of a weak base/strong acid titration?
In a weak acid/strong base titration, what is the pH at the equivalence point?
In a weak acid/strong base titration, what is the pH at the equivalence point?
What happens to the pH of a weak acid solution when NH4+ ions are added?
What happens to the pH of a weak acid solution when NH4+ ions are added?
Signup and view all the answers
In a weak base/strong acid titration, what is the concentration of NH3 at the equivalence point?
In a weak base/strong acid titration, what is the concentration of NH3 at the equivalence point?
Signup and view all the answers
At the halfway point of a weak acid/strong base titration, what is the pOH of the solution?
At the halfway point of a weak acid/strong base titration, what is the pOH of the solution?
Signup and view all the answers
What is the equilibrium concentration of NH4+ in the given reaction?
What is the equilibrium concentration of NH4+ in the given reaction?
Signup and view all the answers
What is the pOH of the solution?
What is the pOH of the solution?
Signup and view all the answers
What is the pH of a 0.020-M solution of NH3 at 25°C?
What is the pH of a 0.020-M solution of NH3 at 25°C?
Signup and view all the answers
What common error do students often make in Kb problems?
What common error do students often make in Kb problems?
Signup and view all the answers
What does it mean for a solution to have a basic pH?
What does it mean for a solution to have a basic pH?
Signup and view all the answers
What factor influences solubility in complex ion formation?
What factor influences solubility in complex ion formation?
Signup and view all the answers
What is the pH at the equivalence point of a weak base/strong acid titration involving 25.00 mL of 0.100 M NH3 solution?
What is the pH at the equivalence point of a weak base/strong acid titration involving 25.00 mL of 0.100 M NH3 solution?
Signup and view all the answers
If the concentration of NH4Cl formed after adding 35.00 mL of 0.100 M HCl at the equivalence point is 1.00×10^(-3) mol, what is the initial concentration of NH3 in the flask?
If the concentration of NH4Cl formed after adding 35.00 mL of 0.100 M HCl at the equivalence point is 1.00×10^(-3) mol, what is the initial concentration of NH3 in the flask?
Signup and view all the answers
In a weak acid/strong base titration, what is the pH after the equivalence point if it was 12.22 before the equivalence point?
In a weak acid/strong base titration, what is the pH after the equivalence point if it was 12.22 before the equivalence point?
Signup and view all the answers
How do you determine that you are past the equivalence point in a titration involving a weak base and a strong acid?
How do you determine that you are past the equivalence point in a titration involving a weak base and a strong acid?
Signup and view all the answers
What is the effect of adding 35.00 mL of 0.100 M HCl after the equivalence point in a weak base/strong acid titration?
What is the effect of adding 35.00 mL of 0.100 M HCl after the equivalence point in a weak base/strong acid titration?
Signup and view all the answers
Which pH value represents the equivalence point in a titration involving a weak acid and a strong base?
Which pH value represents the equivalence point in a titration involving a weak acid and a strong base?
Signup and view all the answers