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Today’s Objective : - SWBAT explain how a buffer works. SWBAT design an appropriate buffer system

Catalyst: Tuesday February 11, 2014. Welcome!. Today’s Objective : - SWBAT explain how a buffer works. SWBAT design an appropriate buffer system. Announcements. Midterm Exam: Friday Will cover everything from this semester: Unit 9: Kinetics Unit 10: Equilibrium Unit 11: Acids/Bases.

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Today’s Objective : - SWBAT explain how a buffer works. SWBAT design an appropriate buffer system

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  1. Catalyst: Tuesday February 11, 2014 Welcome! Today’s Objective: -SWBAT explain how a buffer works. SWBAT design an appropriate buffer system

  2. Announcements • Midterm Exam: Friday • Will cover everything from this semester: • Unit 9: Kinetics • Unit 10: Equilibrium • Unit 11: Acids/Bases

  3. Photo of the day

  4. Lecture • Ksp = solubility product • Equilibrium between rate of dissolving and precipitation

  5. Quicket • The solubility of silver bromide, AgBr, is found to be 8.8 x 10-7 M. Calculate the Ksp.

  6. Drill • Students have 3 minutes to complete drill problems

  7. Quicket • Which salt would you expect to be more soluble in water? A) CaCO3 (Ksp = 2.8 x 10-9) B) BeCO3 (Ksp = 8.1 x 10-12) C) BaCO3 (Ksp = 7.5 x 10-7) D) MgCO3 (Ksp = 1.4 x 10-13)

  8. Quicket • Which salt would you expect to be more soluble in water? A) CaCO3 (Ksp = 2.8 x 10-9) B) Li2CO3 (Ksp = 8.1 x 10-12) C) Na2CO3 (Ksp = 7.5 x 10-7) D) MgCO3 (Ksp = 1.4 x 10-13)

  9. Quicket

  10. Work Time • Problem Set

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