BIOL 1003 Lecture Notes - Weak Base, Ionic Compound, Sodium Hydroxide

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Problem: write the net ionic equation for the reaction that occurs when aqueous solutions of magnesium sulphate (mgso4) and sodium oxalate (na2c2o4) are mixed. Acids are identified by their sour tastes, their ability to react with a variety of metals and carbonate minerals. From a chemist"s standpoint, an acid can be defined as a substance that provides hydrogen ions (h+) in aqueous solutions. A strong acid completely ionizes in a water solution: Hcl (aq) (h20) h+ (aq) + cl- (aq) (aq). A weak acid, on the other hand, does not go towards completion and is also a weak electrolyte. A example is acetic acid: hc2h3o2 (aq) h+ (aq) + c2h3o2. Hcl h+ + cl- : strong electrolyte, strong acid. Ch3cooh h+ + ch3coo- : weak electrolyte, weak acid. H2so4 h+ + hso4- : strong electrolyte, strong acid. From a practical standpoint, a base is bitter in taste and slippery.

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