Experiment 5 Sample Quiz Review

Vocabulary practice flashcards covering key concepts, chemical reactions, experimental conditions, and quantitative values from the Experiment 5 sample quiz.

When the following reaction is balanced the coefficients in front of the reactants and products are:
H₂X(aq) + NaOH = Na₂X(aq) + H₂O(l)

1,2,1,2

Initial buret reading corresponds to:

0.00 mL of base added

In this experiment you will monitor the changes that occur in pH as you titrate:

a weak polyprotic acid with a strong base.

The titration is considered complete when the pH reaches?

12

Approximate molarity of phosphoric acid used in this experiment is:

0.02M

The procedure calls for the addition of __mL of acid to a small beaker?

20

The experiment calls for the use of which of the following indicators?

No indicator is used in this experiment.

The procedure calls for plotting a graph of '_________' versus '______________" added.

'pH' versus 'Volume of base added'.

The image depicted in the introduction is for:

idealized di-protic acid.

Exact molarity of phosphoric acid used in this expiriment

to be determined in the experiment

What is special about the [H₃O⁺] at the 1/2 equivalence point in the titration of a weak mono-protic acid with a strong base?

$$[H_3O^+] = K_a$$

How many Ka values do you expect to be able to determine for citric acid?:

3