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.

1

Chemistry 203

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

2

Chapter 3: #114Consider a gaseous binary compound with a molar mass of 62.09 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.

3

Chapter 3: #112A 2.25-g sample of scandium metal is reacted with excess hydrochloric acid to produce 0.1502 g hydrogen gas.

What is the formula of the scandium chloride produced in the reaction? 4

Formulas for Ionic Compounds are Empirical Formulas

5

NaCl Dissolves

6