Web(Cyclohexane: density = 0.779 g/mL; Kf = 20.5oC/m) c) A 0.485-g sample of an unknown substance dissolved in 20.0 mL of cyclohexane causes a freezing point depression of 3.5oC. Calculate the molar mass of the unknown substance. (Cyclohexane: density = 0.779 g/mL; Kf = 20.5oC/m). Show transcribed image text Expert Answer 80% (5 ratings) WebChemistry questions and answers. Part B: Molar Mass of Unknown Solute Unknown Number (1st 4 digits only) 7305 Edit Mass (g) of Solute 0.13 Edit Volume (mL) of …
Solved 4) A solution of cyclohexane in benzene is prepared
WebSep 16, 2024 · Cyclohexane is a colorless, flammable liquid which has a detergent like odor. It is a cycloalkane whose formula i s . Given, Density is 0.779 g/ml The freezing -point depression is 2.5ºc. Mass is 0.2436-g In kg = 0.0002436 kg Now, The depression in freezing point is equal to the molality of solution which is WebMolecular weight: 84.16: Boiling point: 80.72°C: Vapor pressure: 77.5 Torr at 20°C ... Refractive index: 1.4262 at 20°C: Density: 0.7785 g/mL (6.497 lb/gal) at 20°C : 0.7739 g/mL (6.457 lb/gal) at 25°C: Dielectric constant : 2.02 at 20°C ... Solubility of water in cyclohexane: 0.01% at 20°C : Regulatory and Safety Data ... burrito shop moda
Cyclohexane C6H12 ChemSpider
WebJul 1, 2024 · moles of NaCl = 31.65 g x 1 mol/58.44 g moles of NaCl = 0.542 mol kg water = density x volume kg water = 0.994 g/mL x 220 mL x 1 kg/1000 g kg water = 0.219 kg m NaCl = moles of NaCl/kg water m NaCl … WebCyclohexane Molecular Formula CH Average mass 84.160 Da Monoisotopic mass 84.093903 Da ChemSpider ID 7787 More details: Featured data source Names Properties Searches Spectra Vendors Articles More Names and Synonyms Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users WebSubstance mmol MW (g*mol-1) Density (g*ml-1) Mol eq Amount. cyclohexanol. H3PO. ... Water and cyclohexane - Pipet the contents of the vial into a test tube. At this point, water and small amounts of other impurities are mixed in with the cyclohexene product. Water will interfere with IR and GC analysis so it must be removed completely. burrito shop q town