Lon-Capa 1st HW assignment due Friday, 9/5, 5 pm. It is open now.

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Presentation transcript:

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.

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

Chapter 3: #114 Consider 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.

Chapter 3: #112 A 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?

Formulas for Ionic Compounds are Empirical Formulas

NaCl Dissolves

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