From the concentrations of C4H9Cl (butyl chloride) at different times given
below, calculate the average rate of the reaction:
C4H9Cl  +  H2O  ®  C4H9OH + HCl
during different intervals of time t/s
0
50
100
150
200
300
400
700
800
 [C4H9Cl]/mol L–1 0 100 0 0905 0