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apacidbasews0809

apacidbasews0809 - AP Chemistry Acid-Base Worksheet AP...

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AP Chemistry: Acid-Base Worksheet AP Chemistry Acid-Base WS 0809.doc Name: ___________________________________ Date: _______________________ Per: _____ 1. In the following equations, label each species as an acid or a base. Show the conjugate acid-base pairs. a. HCO 3 - (aq) + HF (aq) H 2 CO 3(aq) + F - (aq) b. HCO 3 - (aq) + OH - (aq) CO 3 2- (aq) + H 2 O (l) 2. In the following reactions, identify the Lewis acid and the Lewis base. a. Ag + + 2NH 3 Ag(NH 3 ) 2 + b. B(OH) 3 + H 2 O B(OH) 4 + H + 3. For the following reaction, decide which species (reactants or products) are favored at the completion of the reaction. SO 4 2- (aq) + HCN (aq) HSO 4 - (aq) + CN - (aq) 4. Which member of each of the following pairs is the stronger acid? a. NH 3 , PH 3 b. HI, H 2 Te c. HSO 3 - , H 2 SO 3 d. H 3 AsO 4 , H 3 AsO 3 e. HSO 4 - , HSeO 4 - 5. Calculate the concentrations of hydronium ion and hydroxide ion at 25 o C in a. 0.15M HNO 3 b. 0.010M Ca(OH) 2 6. A sample of orange juice has a hydronium-ion concentration of 2.9x10 -4 M. What is the pH? Is the solution acidic? 7. The pH of human arterial blood is 7.40. What is the hydronium ion concentration?
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8. Pure liquid hydrogen fluoride ionizes in a way similar to that of water.
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