CHM152GW4 S09

Chemistry (MasteringChemistry Series)

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Group Work 4, CHM 152, Burk, Names: _________________________________________ due 3 24 09 1. Draw what the following chemicals would look like when added to a beaker of water. nitric acid acetic acid barium hydroxide ammonia 2. Now write the chemical formulas for the 4 chemicals above. ___________________ ___________________ __________________ _________________ 3. Now write the balanced chemical equation for what each of them does when put in water. nitric acid’s rxn: ______________________________________________________ acetic acid’s rxn: ______________________________________________________
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Unformatted text preview: barium hydroxide’s rxn: ______________________________________________________ ammonia’s rxn: ______________________________________________________ 4. If the pH is 11.248, calculate the pOH, [H + ], and [OH-] values. pOH = _________ [H + ] = ________________ [OH-] = __________________ 5. Calculate the pH, pOH, [H + ], and [OH-] values for a 0.0525M solution of hydroioidic acid. 6. Calculate the pH for a 1.35 M solution of a weak acid HA with K a = 8.39 x 10-5 ....
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This document was uploaded on 09/27/2011.

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