ࡱ>  @ |bjbjVV r<r<7ffff4~IIIILRI<~s(JJJJVKOOO6s8s8s8s8s8s8s$uRUwr\s9QNOQQ\sffJVK?sWWWQfJVK6sWQ6sWWTdhT^eJJ @dIS0dmts0sdwW4w eD*TffffewnmTOPhWPTPOOO\s\s~~$+/dW~~/Acid/Base Quiz I Part I: 1. Produces hydrogen ions (H+) in solutions 2. Produced hydroxide ions (OH-) in solution 3. Has a bitter taste 4. H2SO4 5. NaOH 6. Feels slippery to the touch Part II: Multiple Choice 1. ______________ turns litmus paper pink. a. acid b. base c. neutral 2. _____________ turns litmus paper blue. a. acid b. base c. neutral 3. According to _____________, any substance that accepts a proton is a base. a. Arrhenius b. Bronsted-Lowry c. both A and B d. None of the above. 4. According to _____________, any substance that produces a proton is an acid. a. Arrhenius b. Bronsted-Lowry c. both A and B d. None of the above. 5. Which of the following is a base? a. H2O b. HCl c. HNO3 d. KOH H2SO4 + 2OH- ( 2SO42- + 2H2O 6. Which is the acid? a. H2SO4 b. OH- c. SO42- d. H2O 7. The solution in question 10 is a a. acid b. base c. neutral d. not enough information 8. What is the concentration of H+ ions in a solution with a pH of 10.4? a. 10.4 b. 3.98x10-11 c. 1.0 x 1010.4 d. 3.98x10-10.4 9. Which of the following pH is the most acidic? a. 1 b. 4 c. 7 d. 14 10. In a neutralization reaction, the two products are a. salt and acid b. base and acid c. water and base d. water and salt 11. Which of the following is a property of an acid? a. slippery b. bitter c. burns d. a and b 12. The pH scale is a measure of ____________ concentration. a. OH b. H c. ionic d. covalent 13. How would HClO4 dissociate? a. H+ + Cl- + O42- b. ClO3+ + OH- c. H+ + ClO4- d. Cl- + O4H+ 14. In the following reaction, which is the salt? HBr + NaOH ( H2O + NaBr a. HBr b. NaOH c. H2O d. NaBr The pH of a basic solution is a.less than 0.c.greater than 7.b.less than 7.d.greater than 14. A water solution whose pH is 10 a.is always neutral.c.is always acidic.b.is always basic.d.might be neutral, basic, or acidic. What process measures the amount of a solution of known concentration required to react with a measured amount of a solution of unknown concentration? a.autoprotolysisc.neutralizationb.hydrolysisd.titration An acid-base titration involves a a.composition reaction.c.single-replacement reaction.b.neutralization reaction.d.decomposition reaction. Which quantity is directly measured in a titration? a.massc.volumeb.concentrationd.density What unknown quantity can be calculated after performing a titration? a.volumec.massb.concentrationd.density In an acid-base titration, equivalent quantities of hydronium ions and hydroxide ions are present a.at the beginning point.c.at the endpoint.b.at the midpoint.d.throughout the titration. What is the molarity of an HCl solution if 50.0 mL is neutralized in a titration by 40.0 mL of 0.400 M NaOH? a.0.200 Mc.0.320 Mb.0.280 Md.0.500 M What is the molarity of an HCl solution if 125 mL is neutralized in a titration by 76.0 mL of 1.22 M KOH? a.0.371 Mc.0.617 Mb.0.455 Md.0.742 M What is the molarity of an NaOH solution if 4.37 mL is titrated by 11.1 mL of 0.0904 M HNO3? a.0.230 Mc.0.460 Mb.0.355 Md.0.620 M A Brnsted-Lowry base is a(n) a.producer of OHions.c.electron-pair donor.b.proton acceptor.d.electron-pair acceptor. In the equation HCl(g) + H2O(l)H3O+(aq) + Cl (aq), which species is a Brnsted-Lowry acid? a.HClc.Cl b.H2Od.none of the above Acid/Base Quiz Answer Sheet  Part I: Acid/Base: Determine if the following descriptions are of acids/bases/neutral. 1. ____________________ 2._____________________ 3._____________________ 4._____________________ 5._____________________ 6._____________________ Multiple Choice _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ _________ Part II: pH Show Work! pHH+pOHOH-Acid/Base?1.11 1.85x10-8 3.57 8.66x10-2   MORE ON BACK SIDE  Part III: Neutralization Reactions 1. HCl + RbOH a. Ionic Equation:______________________________________________________ b. Partner Switch: :______________________________________________________ c. Final Equation: :______________________________________________________ d. Label the acid, base, salt, and water.  2. HNO3 + Mg(OH)2 a. Ionic Equation:______________________________________________________ b. Partner Switch: :______________________________________________________ c. Final Equation: :______________________________________________________ d. Label the acid, base, salt, and water. 3. H2SO4 + NaOH ( a. Ionic Equation:______________________________________________________ b. Partner Switch: :______________________________________________________ c. Final Equation: :______________________________________________________ d. Label the acid, base, salt, and water. 4. H3PO4 + KOH (  a. Ionic Equation:______________________________________________________ b. Partner Switch: :______________________________________________________     $ % ' ( . / 0 1 6 7 9 > ? _ ` b c j n t u w  yyyhzhpCJaJ jhzhj-CJaJhzhj-CJH*aJhzhj-CJH*aJhzhj-CJaJhzh9y5CJaJhzhj-5CJaJhz5CJaJhzh9yCJH*aJhzh9yCJaJ hz5 hj-5h9yhj-5-L 1 Q R } 7 8 ! 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