Acid-Base Titration Curves and Calculations Quiz

What is the pH at the equivalence point for a strong acid-strong base titration?

• pH = 7

• pH = 14

• pH = 1

• pH = 3

In a weak acid-strong base titration, what is the pH at the equivalence point?

• Equal to the pKa

• Greater than 7

• Exactly 7

• Less than 7

Which of the following is true about the starting pH of a weak acid-strong base titration?

• It is very high, around 13

• It is very low, around 1

• It is moderately low, between 2 and 3

• It is neutral, around 7

What is a characteristic feature of a polyprotic acid titration curve?

• One equivalence point

• Two or more equivalence points

• No equivalence point

• A single buffering region

In a strong base-strong acid titration, what is the pH at the equivalence point?

• pH = 1

• pH = 7

• pH = 14

• pH = 10

How do you determine the pH when mixing equal concentrations of a strong acid and a strong base?

• Calculate the excess moles of acid

• Calculate the excess moles of base

• The pH is always 7

• The pH is always 14

What is the pH when there is an excess of strong base in a titration?

• pH = 7

• High pH

• Neutral pH

• Low pH

In a titration, if the base concentration is higher than the acid, what should you expect?

• pH = 7

• A lower pH

• A higher pH

• No change in pH

What is the pH at the half-equivalence point in a weak acid-strong base titration?

• Equal to the pKa

• Equal to the pKb

• Equal to 14

• Equal to 7

How do you calculate the pH at the equivalence point for a weak acid titrated with a strong base?

• Use the concentration of the weak acid

• Use the concentration of the conjugate base

• Use the initial concentration of the acid

• Use the concentration of the strong base