Question

Dp write out for tattst The following uses are contained in separat, sled daks. A re them according to decreasingman Chlorine, Hydro Nogen, Carbon dioxide, oxygen,chide, and carbon monde ra Djalil qoni, da 25. A certain hydrocarbon was found to have an empirical formula of Ch It has a molar mass of 28 g/mol W is name? What if the molar mas 8/mol ACL M 2. Hydrogen and acetate react to form acetic acid. How many grams of each reactant are necessary to have 88 g of product 27. A certain compound is analyzed and found to have 6.0 g of C, 1 g of H, and 8 g of O. What is its empirical formula? 28. A hydrocarbon is found to have an empirical formula of CH, I density at STP is 5.0 g/D What is its molecular formule you want to to le and How can you change in 29. Zinc metal reacts with hydrochloric acid to produce hydrogen gas. If 130. grams of HCl react, how many liters na of hydrogen gas form at STPP Z O ZNI, 1900 MILHO HOI 1 ml 124L 40.94 LH, HCl (2 mm Hi ll, 30. The mass of 3.612 x 10" atoms of hydrogen gas is equal to . WIZ: 10 ** .HU/IMG /Imelilla (2 - /11 atoms Hau 02.10 me lule 31. How many moles of oxygen gas occupy 269L of volume at STP? (29010) (MOL) -13,21 mol IT) (24/01 13.11

Answer 1

hlorine (12); Carbon dioxide (CO2)> Oxygen (O2)> Carbon monoxide (Co) > Nitrogen (N2) > Cyanide (CN)> Hydrogen (42) 25. Emphirical mass (CH₂) = 12+2 = 14 Molecular formula = 2(CH2) = C₂ HA - ethene If molar mass is 58 gimol Moleculas formula = 4 (cny) = CAHg = 56 21 $B CAHIO And [butane 26. H₂ + CH₃ coo - CH₂ cook = 1.467 mor 60 glmos Mole of H₂ = 1.467 mol = Mole of acetate Mass of H₂ = 1.467 mol X2 g/mol = 12.939 Mass of acetate = 1.467 mol X 57 1 mat . 5186.5391 29 cl6g 6 mol = 0.5 mol (0.5x2 = 1 1 / 2 = 1 mol 11x2 =2 IP₂0 & mol = 0.5 moi 10.5x2 = 1 Empirical