Sucrose (C12H22O11), commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6. At 23 oC and in 0.5 M HCl, the following data were obtained for the disappearance of sucrose:
Time (min) [C12H22O11] (M)
0........................0.316
39.......................0.274
80........................0.238
140......................0.190
210 ......................0.146
(a) Is the reaction first order or second order with respect to [C12H22O11]?
(b) What is the rate constant?
(c) Using this rate constant, calculate the concentration of sucrose at 39, 80, 140, and 210 min if the initial sucrose concentration was 0.316 M and the reaction was zero order in sucrose?