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Preparation • Over 300 recipes of common
www.snc.eduMolarity, therefore, is a ratio between moles of solute and liters of solution. To prepare laboratory solutions, usually a given volume and molarity are required. To determine molarity, the formula weight or molar mass of the solute is needed. The following exam ples illustrate the calculations for preparing solutions.
Lab Math Solutions, Dilutions, Concentrations and Molarity
www.aphl.orgSolutions & Dilutions Preparing solutions and making dilutions Simple dilutions Mixing parts or volumes Serial dilutions Making fixed volumes of specific concentrations from liquid reagents: (C1)(V1)=(C2)(V2) Percent solutions (= parts per hundred) Molar solutions (unit=M=moles/L)