A student prepared a mixture moistened with water and placed it in a desiccator (drying chamber) with silica gel to dry at 22 degrees C. The silica gel absorbed water vapor as the mixture dried. The mixture was weighted periodically, giving the data in the table below. Determine the order of the drying process and find the rate constant.

Question

anonymous · Answer

Time, hr                   Grams of Mixture

0                                 21.70

3.58                            21.14

7.67                            20.86

24.33                          20.45

44.58                          20.27

infinity                          19.99