Propenoic acid C2H4O2, is a reactive organic liquid that Calculate the theoretical mass ff of C and H in propenoic acid. is used in the manufacturing of plastics, coatings, and adhesives. An unlabeled container is thought to contain this liquid. A 0.399g sample is combisted to produce 0.224 g of water and 0.483 g of carbon dioxide. Part B Calculate the experimental mass % of C and H in the unknown liquid used in the experiment. Express your anwwers, separated by consmas, to three significant figures. What is the theoretical yyeld of bromobenzene in this reaction when 33.0g of benzene reacts with 71.5g of bromine? When benzene (C0H6) reacts with bromine (Br2} Express your answer in grams to three significant figures. aromobenzene (C6H5Br) is obtained. C6H6+Br2C6H6Br+HBr X Incorrect; Try Again; 5 attempts remaining Part B If the actual yield of bromobenzene was 61.7g. What was the percentage yield? Express your answer in percent to three significant figures