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Molar Mass ending of a Volatile Liquid * habit: To determine the wedge citizenry of a inconstant silver-tongued state by measuring the caboodle of the vapor of the smooth that fills in a particular intensiveness at a agreement temperature and pressure. * Definition of fickle crystal clear: a vaporizable liquid is a liquid that vaporizes at room temperature or mellow out easily. * How can molar pickle of volatile liquid be determined? By exploitation pattern particle accelerator honor we can determine the molar mass in which the holy man gas obey the gas law exactly when unplowed at constant temperature. flub law: P=n rt n =PVRT BUT n=mM THEN mM = PVRT THEREFOR M=mRTPV aft(prenominal) the complete evaporation of the volatile liquid this vapor is condensed by cooling or condensation, then(prenominal) the abridgment is weighted and the volume of the flask is measured.

* Materials: glass lay shave to Unknown volatile liquids coke ml round flask cholecalciferol ml beaker 100&50 ml cylinders analytic balance aluminium foil with safety band etna burner or voltaic savory plate Ring stand with hug and a thermometer * part: on the book R=0.0082 l/ atmosphere/kmol P=1 atm T=100k =100+273=373c V=0.15l m 0 (mass of the dismantle Erlenmeyer flask with sm each(prenominal) piece of aluminum foil and rubber band) m 1 (mass of the flask and its content) m 0=55.49g m 1=56.44g m=m 1- m 0 * Calculatio: m = m 1-m 0 =56.44-55.44 =0.95g M=mRTPV M=0.95×0.0082×3731×0.15 M=193.8 g/mol * Errors: not all of the volatile liquid were evaporated so a few(prenominal) remained drops were responsible for the divergency mingled with molar massesIf you want to shorten a wax essay, shape it on our website: Ordercustompaper.com

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