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Chemistry, 17.09.2019 08:30 nevaehkirk1997
Oidentify a liquid substance, a student determined its density. using a graduated cylinder, she measured out a 45-ml sample of the substance. she then measured the mass of the sample, finding that it weighed 38.5 g. she knew that the substance had to be either isopropyl alcohol (density 0.785 g/ml ) or toluene (density 0.866 g/ml ).
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