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The koala bear dines exclusively on eucalyptus leaves. Its digestive system detoxifies the eucalyptus oil, a poison to other animals. The chief constituent in eucalytus oil is a substance called eucalytol, which contains 77.87 percent C, 11.76 percent H and the remainder O. a) What is the empirical formula. b) A mass spectrum of the eucalyptol shows a peak at about 154 amu which means that the molar mass of the compound is 154g/mol. What is its molecular formula?