Posted on May 13, 2021 by sarah yaltonHow many molecules of ethanol, C2H5OH, are contained in a 150. gram sample? 1.96 x 1024 46.0 6.02 x 1023 5.1 x 10-25 How many molecules of ethanol, C2H5OH, are contained in a 150. gram sample? 1.96 x 1024 46.0 6.02 x 1023 5.1 x 10-25