Chem2-Unit 1 Review CH.11.12.23

Principles of Chemistry 2: Exam 1 Review Chapter 11: Solutions and Their Properties  Understand the terms related to solutions in the notes  Know how to determine whether liquids will be miscible or immiscible.  Calculate concentration in the following ways (these equations will be given):  Be able to convert from one type of concentration to another. Examples: 1) How many moles of KI are in 500. g of water in a 0.50 m KI solution? 2) How many grams of MgI2 are in 50.0 g of a 5.00% solution? 3) What is the mass percent of NaCl in a 0.80 m aqueous solution? What is the Molarity if the density is 1.12 g/mL? Answers: 1) 0.25 mol KI 2) 2.50 g of MgI2 3) 4.47% NaCl; 0.86 M 4) 1.09 m; 101.2 ºC liters of solution moles of solute Molarity (M)  Total molesmaking up solution Molesof component Mole fraction (X )  100% Total mass of solution Mass of component Mass percent   Mass of solvent (kg) Moles of solute Molality(m) 