PL%20Worksheet%2010

PL%20Worksheet%2010 - a . [In all reactions on this sheet...

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PL Worksheet #10 18.2 pH scale 1. For a sample of 0.35 kg of KOH, dissolved in 1.58 L of water. Solve for the [H 3 O + ], [OH ], pH and pOH of the resulting solution. 2. What mass of HClO 4 is needed to make an 825 mL solution that has a pH of 1.5? 3. What mass of HClO 2 (K a = 1.1 * 10 −2 ) is needed to make an 825 mL solution that has a pH of 1.5? 18.5 Weak Bases and the Relationship to Acids 4. Solve for the pH of a sample of pyridine (K b = 1.7 * 10 −9 ) dissolved in water at 0.15 M.
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18.3 Acid-Base Definition 5. Write the dissociation reaction for HCOOH and write an expression for K
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Unformatted text preview: a . [In all reactions on this sheet its necessary to include phase of substance (e.g. aq ) and charges] 6. Identify the conjugate base in the reaction in question 5. 7. Write a dissociation reaction for N(CH 3 ) 3 and write an expression for K b . 8. Identify the conjugate acid in the reaction in question 7. 9. Write a reaction showing COOH behaving as a base. 10. Write a reaction that shows HCl reacting with N(CH 3 ) 3 and predict if this reaction favors reactants or products...
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PL%20Worksheet%2010 - a . [In all reactions on this sheet...

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