CHEM 1000 Lecture Notes - Buffer Solution, Conjugate Acid, Spectator Ion

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22 Aug 2012
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Legend: water has no buffer capacity-that is, its ph changes sharply when even small quantities of. 17. 1-common-ion effect in acid-base equilibria: when the concentrations of acid and base in a buffer solution are equal, [h3o+] =ka and ph=pka, when there is more acid than base, [h3o+] > ka and ph < pka. Solution of weak acids & their salts: salt of a weak acid is a strong electrolyte-its ions become completely dissociated from one another in aqueous solution h2o. Acid-base properties of salt solutions: a salt is an ionic compound that is produced when a cation and an anion from an acid-base reaction combine. In other words, the cation from a base replaces a proton on an acid: a simple example is the reaction of the strong base naoh with the strong acid hcl. In solution, the and ions react to form h2o, leaving a solution of salt ions, na+and cl-.

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