Provide two considerations for preparing a molar solution in the laboratory.

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2.5: Preparing Solutions

Last updatedAug 10, 2020

2.4: Basic Equipment

2.6: Spreadsheets and Computational Software

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Contributed by David Harvey

Professor (Chemistry and Biochemistry) at DePauw University

Preparing a solution of known concentration is perhaps the most common activity in any analytical lab. The method for measuring out the solute and the solvent depend on the desired concentration and how exact the solution’s concentration needs to be known. Pipets and volumetric flasks are used when we need to know a solution’s exact concentration; graduated cylinders, beakers, and/or reagent bottles suffice when a concentrations need only be approximate. Two methods for preparing solutions are described in this section.

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