CHEM 102 1nd Edition Lecture 1Outline of Current Lecture I. Solution TerminologyII. Concentration EquationsCurrent LectureI. Solution Terminology- Homogeneous: exactly the same throughout the entire solution- A solution is made of solute and solvento Solute: usually the smaller amount of the two and usually a solido Solvent: usually water- Molten: melting- Colligative Property: something that changes depending on how much soluteis added to the solution- Undersaturated: there is the potential for more solute to be added to the solution; the solution can have more solute added- Saturated: Every particle that could possibly be dissolved in that solvent is dissolved; there is not any extra and there is enough- Supersaturated: there is more solute in the solution than should be in the solution at that temperatureo Usually accomplished by heating a solvent, adding the solute, then cooling the solutiono Example in class: Prof. Williamson had a supersaturated solution and when she poured the solution out into a beaker, the solution solidifiedbecause the cool air cooled the solution quickly. II. Concentration Equations- M = molarity = molesof SOLUTEL of SOLUTION- m = molality = molesof SOLUTEKG of SOLUTIONThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Weight % = grams of SOLUTEgrams of SOLVENTx 100- X = mole fraction = moles SOLUTEmolesSOLVENTo Will be 0.XXXXXo Will never be zero - ppm = parts per million = g SOLUTEg SOLVENTx 106- Normality = equivalents SOLUTEliters
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