lec8 - Exam Room Assignments Section TA C01 C05 C07 C08 C09...

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1 ALL OTHER SECTIONS Meet in Sciences Lecture Hall Exam Room Assignments Section TA Location C01 Leah Scilab 1067 C05 Roger Scilab 1051 C07 Leah Scilab 1075 C08 Stephanie Scilab 1076 C09 Jay Scilab 1068 C11 Roger Scilab 1059 C16 Nicole Scilab 2051 C17 Dan Scilab 2059 Announcements • Labs this week • REVIEW SESSION Thurs. 5:10 – 7 pm 194 Chemistry • Exam keys outside room 69 Chemistry • Exam on Friday covers: – Chapters 7, 12, and 13 Last Time ¤ Solubility ¤ Enthalpy of solution ¤ Lattice Enthalpy ¤ Hydration Enthalpy ¤ Single Ion Enthalpy – careful ¤ Colligative Properties Machinery – Concentration • Molality m = moles of solute/mass of solvent • Mole Fraction X c = moles of component/total moles • Mass percentage composition = mass of component/total mass x 100
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2 Example Given that the mole fraction of calcium chloride in 100 g of water is 0.01, calculate the molality of the solution and the mass percent composition of both water and calcium chloride. Who Cares?
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lec8 - Exam Room Assignments Section TA C01 C05 C07 C08 C09...

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