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General Chemistry II Lab Experiment #9: pH: Measurement ...

1. General Chemistry II Lab Experiment #9: pH: Measurement and uses introduction One of the most important properties of aqueous solutions is the concentration of hydrogen ion. The concentration of H+1 (or H3O+1) affects the solubility of inorganic and organic species, the nature of complex metal cations and the rates of chemical reactions. For convenience the concentration of H+1 is frequently expressed as the pH of the solution rather than hydrogen ion molarity. pH is defined by the equation: pH = -log[H+1] (1). where the logarithm is taken to the base 10. If [H+1] is 1 x 10-4 moles per liter, the pH of the solution is 4.

General Chemistry II Lab Experiment #9: pH: Measurement and Uses Introduction One of the most important properties of aqueous solutions is the concentration of hydrogen ion. The ... Measurement of pH of Salt Solutions Put about 25 mL of each solution in a plastic beaker and measure its pH. 0.1M NaCl, 0.1 M

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