Acid Base Key

Acid Base Key - Acid-Base Reactions Instructions for...

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Acid-Base Reactions Instructions for writing reactions of an acid with a base in aqueous solution. 1. Write down the species in solution. a) For strong acids (HCl, HBr, HI, H 2 SO 4 , HNO 3 , and HClO 4 ) write down H 3 O 1+ and the conjugate base. Example: aqueous HClO 4 is H 3 O 1+ and ClO 4 1- . b) For weak acids, write the acid as is. Example: aqueous H 3 PO 4 is written H 3 PO 4 c) For strong bases (NH 2 1- and O 2- ) write down OH 1- and the conjugate acid. Example: aqueous O 2- is written as OH 1- and the conjugate base, which is also OH 1- . (I don’t usually give strong bases). d) For weak base salts, write down the counterion and base. Example: aqueous NaHSO 4 is written as Na 1+ and HSO 4 1- . 2. Use the chart to decide if your reactants are acids, bases, or both (amphiprotic). 3. On the reactant side of the chemical reaction, write the strongest acid first, followed by the strongest base. The strongest acid will be on the upper left of the acid-base table. The strongest base will be on the lower right of the acid-base table. 4. On the product side of the chemical reaction, write the conjugate base first, followed
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Acid Base Key - Acid-Base Reactions Instructions for...

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