Propenoic acid, C3 H4 O2, is a reactive organic liquid that

Last updated: 7/11/2022

Propenoic acid, C3 H4 O2, is a reactive organic liquid that is used in the manufacturing of plastics, coatings, and adhesives. An unlabeled container is thought to contain this liquid. A 0.270-g sample is combusted to produce 0.172 g of water and 0.208 g of carbon dioxide. Calculate the experimental mass % of C and H in the unknown liquid used in the experiment. Express your answers, separated by commas, to three significant figures.