Which of the following experimental methods cannot be used tomeasure the rate of a reaction?
a. measurement of the change in the partial pressure of agas-phase reactant over time
b. measurement of the equilibrium concentration of an acidicproduct via titration with a strong base
c. measurement of the absorbance of a colored reactant withtime
d. measurement of the absorbance of a colored product withtime
e. measurement of the change in the partial pressure of agas-phase product over time
f. none of the above can be used to measure the rate of thereaction
g. I don't know
