3) An experiment on the hydrolysis of sucrose in 0.50 M HCl(aq) gave the following data

t (min) 0 14 39 60 80 110 140 170 210

[sucrose] (M) 0.316 0.300 0.274 0.256 0.238 0.211 0.190 0.170 0.146

Determine the rate constant and the average lifetime of a sucrose molecule.