CH13 – Practice

Dates

• P4 – Wednesday, February 7th
• P5 – Wednesday, Febraury 7th
• P7 – Thursday, February 8th

Homework Review

• Ch. 3 (79, 83, 84)
• Questions?

Extending Idea – Molecular Formula

• How do I determine the true formula knowing the EF?
• Easy, easy, easy
• A compound containing only sulfur and nitrogen is 69.6% S by mass; the molar mass is 184 g/mol. What are the empirical and molecular formulas of the compound?

Test Review

• Pull up the objectives for Units 7 & 8
• Write down a single thought about each item
• Where are we missing information?

Homework

• Look, there is a test on Monday and I know you all are busy. I have decided to give you a work day during the next class to prepare for the test. Please look at the suggested practice problems and focus on the areas you need most.
• I will start the next class with more specific test information.