1. Lon-Capa 1st HW assignment due Friday, 9/5, 5 pm. It is open now.
1st Quiz due Sunday, 9/7 by 10 pm. It will open Friday, 9/5 at 5 pm.

2. Chemistry 203 1st Wednesday lecture is today (9/3).
1st Monday lecture is 9/8.

3. Chapter 3: #114
Consider a gaseous binary compound with a molar mass of g/mol. When 1.39 g of this compound is completely burned in excess oxygen, 1.21 g of water is formed.
Determine the formula of the compound.

4. Chapter 3: #112
A 2.25-g sample of scandium metal is reacted with excess hydrochloric acid to produce g hydrogen gas.
What is the formula of the scandium chloride produced in the reaction?

5. Formulas for Ionic Compounds are Empirical Formulas

6. NaCl Dissolves