Naphthalene, a hydrocarbon, has an approximate molar mass of 128 g/mole. Molar mass calculations are explained and there is a JavaScript calculator to aid calculations. View chemi-exp-4 naphthalene.docx from CHM 151 at INTI International College Penang. After obtaining the change of freezing point (∆T) and the value of K f, then it is possible to calculate the molar mass of substance X. - Find MSDS or SDS, a COA, data sheets and more information. CAS 91-20-3, molar mass 128.17 g/mol. The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition.The data represent a small sub list of all available data in the Dortmund Data Bank.For more data or any further information please search the DDB or contact DDBST.. The naphthols are naphthalene homologues of phenol, with the hydroxyl group being more reactive than in the phenols.Both isomers are soluble in simple alcohols, ethers, and chloroform. Naphthalene is an organic compound with formula C 10 H 8.It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. It is an isomer of 2-naphthol differing by the location of the hydroxyl group on the naphthalene ring. The freezing-point depression constant for camphor is 37.7 (C*kg/mol.) J. Component Mass spectrum (electron ionization) UV/Visible spectrum; Gas Chromatography; Data at other public NIST sites: ... , The enthalpies of combustion and formation of p-tertiary butyl phenol and naphthalene, Egypt. Naphthalene for synthesis. 1-Naphthol, or α-naphthol, is a fluorescent organic compound with the formula C 10 H 7 OH. Aim: To determine the molar mass of unknown by determining the freezing point depression of a naphthalene … Phys., 1977, 8, 111-118. A method for the detection of hydrocarbon pollution in soils by headspace mass spectrometry and pattern recognition techniques, Anal. 0.2 g of naphtha form into a tablet using the die press. A solution of 0.250g of naphthalene in 35.00g of camphor lowers the freezing point by 2.10 C. What is the molar mass of naphthalene? Chem., 75, 2003, 2034-2041. ) As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings. About Naphthalene; Naphthalene weighs 1.162 gram per cubic centimeter or 1 162 kilogram per cubic meter, i.e. Based on the graph plotted for the pure solvent (naphthalene), the freezing point obtained is 76.0 o C. It is a white solid. density of naphthalene is equal to 1 162 kg/m³; at 20°C (68°F or 293.15K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 72.54 pound per cubic foot [lb/ft³], or 0.6717 ounce per cubic inch [oz/inch³] . 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