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Unformatted text preview: At 20 degrees C density of air = 1.2 g/L Mass water = 259.9 g unknown #15 Calculations : Results: I obtained a molecular mass of 102.287 g/mol for my Unknown #15. My experiment went well and I produced a vacuum at the end, as intended. The goal of this experiment to determine the density of an unknown substance using a rewritten form of the Ideal Gas Law was achieved without any problems....
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- Spring '08