For centuries, fishermen have used shark liver oil to treat a variety of ailments, including general weakness, wounds, and inflammation of the respiratory and gastrointenstinal tracts. In fact, it is an ingredient in the hemorrhoid cream Preparation H. In addition to chemicals such as vitamins A and D, omega-3 fatty acids, and triglycerides, shark liver oil contains approximately 14% 2,6,10,14-tetramethylpentadecane, also known as pristane. Write the molar mass of pristane?