Calculate the empirical formula of each of the following compounds. a. 25.9% N, 74.1% O No Os b. 43.4 % Na, 11.3% C, 45.3% O NagCOs c. 18.8 % Na, 29.0% Cl, 52.3% ONa CI04 d. a 150.00 g sample of a compound containing 57.66 g carbon, 7.26 g hydrogen, and the rest chlorine e. a compound containing 38.0 g zinc, and 12.0 g phosphorus Zn 3 Pa f. a 65.2 g sample of a compound containing 36.8 g silver, 12.1 g chlorine, and the rest oxygen AgIo-

H₂C H₂C لیے CH–COOH +CH,CH(CH,)NH, H₂C heat 2 Reaction D Select Draw Rings More Erase / |||||| CON H COOH +CH,CH(CH,)NH₂ CH3 Draw the amide formed when isopropylamine (CH₂CH(CH3)NH₂) (CH3CH(CH3)NH₂) is heated with each carboxylic acid. Include all hydrogen atoms. heat G Q2Q

Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the arrows to draw the first intermediate formed in this reaction and the final product. Include all lone pairs and charges as appropriate. Ignore inorganic byproducts. Jo ✓:0: ď CH3 -CCH3 Draw Intermediate Q Problem 1

H 1) 2-ethyl-2-methyl-1,3-dioxolane pTsOH 2)LIAIH4 Me 3)HCI Me (60%) 36a myrtine