Assignment: Pg 187 #3, 4, 7 Complete and Hand In (show all work neatly and logically)
Chapter 4 Review Package – ANSWER KEY
Chapter 4 test is on MONDAY! I’ll be available for extra help before school and at lunch in room 208 (science prep office)
There is an error in the text answer key for #4 on pg 187 The answer should be 18775.75 cm^2
Part two tomorrow!
Dilutions = The number of moles stays the same in when a solution is diluted by adding more solvent. Therefore n=cV becomes:
Assignment: Finish workbook (3.12-end)
Assignment: Complete and hand in pg 187 #3, 4, 7
* show all work neatly and logically
Retest day tomorrow in class… let me know if you’d like to rewrite a chapter test tomorrow before the end of lunch.
Students choosing not to retest tomorrow will have the class for quiet work and review in preparation for Monday’s chapter 4 test.
Assignment: Pg 179 # 1, 3, 4, 7, 8, 10, 16
Molar Concentration = Molarity = [ ] : The amount of Moles of the solute per Litre of solution.
Units: mol/L or M
Assignment: Up to 3.11 in workbook
Unit 3 Test/Midterm – April 21
Notes: 4.3 Area of overlap
Assignment: pg 168 #1-7 & Area of Overlap Worksheet
Molecular Formula: Actual ratio of atoms in a compound
N = Molar Mass of actual compound / Empirical Mass
N = Whole number multiplier
Assignment 3.9 (Molecular Formula) & 3.10 (Hand In )
Notes: 4.2 Composite Shapes
Assignment: Pg 160 # 1-5, 8, 9, 11
Percent Composition:
Empirical Formula:
Assignment: Workbook up to 3.8
