Acid - base reactions 1



Acid - base reactions 1

Performance objectives

Students should be able to:

  1. Define a standard solution.
  2. Define mass concentration and molar concentration
  3. Explain the relationship between concentration and volume of reacting substances


Standard solution

A standard solution is any chemical solution which has a precisely known concentration. Similarly, a solution of known concentration has been standardized. To prepare a standard solution, a known mass of solute is dissolved and the solution is diluted to a precise volume.

Standard solution concentration is usually expressed in terms of molarity (M) or moles per liter (mol/L). Not all substances are suitable solutes for standard solutions. The reagent must be stable, pure, and preferably of high molecularweight.

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