In the following buffer system, what happens to the concentration of the highlighted molecule if you add base (OH-)? HF + NaF + H2O F- + H3O+ + Na+
A) increases
B) decreases
C) stays the same
D) Buffers do not change.
E) none of the above
Question 2
Which of the following is an example of something with potential energy?
A) a boulder at the top of a cliff
B) an arrow poised in a stretched bow
C) chemical bonds
D) gasoline in the gas tank of your car
E) all of the above