Friday, April 11 th : “A” Day Monday, April 14 th : “B” Day Agenda  Lab write-up: “Solubility Product Constant”  ACT Prep  Concept Review Work Time.

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Friday, April 11 th : “A” Day Monday, April 14 th : “B” Day Agenda  Lab write-up: “Solubility Product Constant”  ACT Prep  Concept Review Work Time Next time: Lab: “Solubility Product Constant” Please dress appropriately

“Solubility Product Constant” Purpose  The purpose of this lab is to: Prepare a saturated solution of NaCl. Calculate the concentration of each ion in the solution. Write an equilibrium expression and calculate the K sp of NaCl. (?) Demonstrate the effect of adding a common ion to the saturated NaCl solution. Calculate the mass of NaCl necessary to fill a vat with 4,000 L of saturated solution.

“Solubility Product Constant” Lab Write-Up  Title  Purpose  Hypothesis (make sure it ties in w/your purpose)  Materials – changes already made – we will use the bunsen burner, NOT the hot plate option  Procedure  Reflection Statement  Remember to update your table of contents…

ACT Prep Science Workouts “F” and “E”  Science Workout “F” You will have 20 minutes to answer 22 questions. Please DO NOT WRITE on the tests, I only have a class set. Use a separate piece of paper to record your answers. After 20 minutes, grade your own using the key. Review any questions you missed. Look on the back page of the test to find your estimated ACT Science Score and record it on your paper.

ACT Prep Science Workouts “F” and “E”  Science Workout “E” You will have 16 minutes to answer 18 questions. You can use the same piece of paper for your answers. Complete same as Workout “F”. Please turn in your paper with answers/estimated scores for a participation grade.

Concept Review Work Time  Any additional time can be well spent by working on the concept review. Looking Ahead:  Next time: Solubility Product Constant Lab  Thurs/Fri: Lab calculations/Sample ACT Science Test  Mon/Tues: Ch. 14 test/concept review due