1 Chapter 7- Molecular Formulas. 2 Warm Up: Determine the name and molar mass of the following compounds. NaOH MnO 2 H 2 SO 4.
Empirical Formulas Empirical – relying on or derived from observation or experiment.
Get out your notes and locate the following problem: 896 dL of CO 2 gas contains how many atoms? 2.4e24 Day 4 10-3.
Section 7.4 1. 2 An empirical formula consists of the symbols for the elements combined in a compound, with subscripts showing the smallest whole-number.
Section 5: Empirical and Molecular Formulas Chapter 7: Chemical Composition.
Empirical and Molecular Formulas. Formaldehyde CH 2 O Acetic acid C 2 H 4 O 2 Gylceradehyde C 3 H 6 O 3 40% C; 6.7% H; 53.3% O.
Homework Check Find the percent composition of the following: 1. A compound with 222.6 g of Na and 77.4 g of O 2. Ammonium Nitrate (NH 4 NO 3 ) 3. Ca(C.
Determining Chemical Formulas empirical formula- consists of the symbols for the elements combined in a compound, with subscripts showing the smallest.
Do Now: If one stick of Juicy Fruit gum weighs 3.0g, what percent of the total mass of the gum is sugar?
Honors Chemistry
1. 294 g of sulfuric acid = ____ molecules 2. How many atoms of O? 1.8 * 10 24 molecules 7.2 * 10 24 atoms Day 5 10-14.
