In class notes for October 17, 2007

In class notes for October 17, 2007 - M o Is temperature...

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General Chemistry Lecture In class notes for October 17, 2007 Exam #2 7-9pm Thursday Furman 114 Chapter 4 o Acide base to Chapter 6-6 concentration units o Some stuff available Units of pressure (1atm=760torr=…) Units of R (0.0821 (L x atm)/(mol K) = 8.314 J/mol K) Unit coversions (Pascals in Kg, m, and s etc in ….) Last Lecture o Vapor pressure Today o Phase diagrams o Units of concentration Colligative properties o Solution behavior Units Mole fraction (X = mol A/ mol total) With liquid you use moles molarity molsoluteL solution
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Unformatted text preview: M o Is temperature dependent molality mole solutekg solvent M o Temperature dependent o At low concentration is about equal to molarity %= + % mass mass solutetotal mass 100 o Also temperature dependent o What is the molality of a 2.5M HNO 3 solution with a density of 1.5 g/mL? You have to know the density of the solution to change from motality to molarity. Calculate mass of HNO 3 in solution General Chemistry Lecture In class notes for October 17, 2007 Assume 1L see B...
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In class notes for October 17, 2007 - M o Is temperature...

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