D/4.44) Describe how you would prepare 250 mL of a0.707 M NaNO3 Solution.Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ四

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Answered: D/4.44) Describe how you would prepare…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 120QRT

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1.) In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a volatile liquid that boils below 100 oC is vaporized in a boiling water bath and the mass of the vapor required to fill the flask is determined. The following data was collected: Flask Volume 100.0 +100.0 + 79.6 mL = 279.6 mL Mass of Flask + Cap 143.85 g Mass of Flask + Condensed Liquid 144.95 g Mass of Condensed Liquid 1.10 g Temperature of Water Bath (oC) 84.1 oC Barometric Pressure (atm) 0.985 atm a.) What is the molar mass of the unknown? b.) What will its temperature be when the pressure is 1.20 atm and the volume is 250.0 mL?
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5. In the Dumas method for determining the molar mass of an unknown volatile liquid, a sample of a volatile liquid that boils below 100°C is vaporized in a boiling water bath $ (4 101 and the mass of the vapor required to fill the flask is determined. The following data was collected: Flask Volume Mass of Flask + Cap Mass of Flask + Condensed Liquid Mass of Condensed Liquid. Temperature of Water Bath [°C) Barometric Pressure (atm) Accessibility: Unavailable 15 a. What is the molar mass of the unknown? b. What will its temperature be when the pressure is 1.20 atm and the volume is 250.0 mL? EN 100.0 100.0 + 79.6 mL = 279.6 mL 143.85 g 144.95 g & 1.10 g 84.1 °C 0.985 atm CH 8 144 9 ho 11 O
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D/4.44) Describe how you would prepare 250 mL of a 0.707 M NaNO3 Solution. Δ Δ Δ Δ Δ Δ Δ Δ Δ Δ 四