From the Matter Unit: Describe how matter is classified Classify a substance as to type Define Law of Definate Composition Define Binary and Ternary List names and formulas…

Slide 1 Empirical & Molecular Formulas Chapter 3 Slide 2 Mathematical Methods STEP 1 Obtain in the laboratory, the number of grams OR the weight percentage of each element…

Lesson 3 Percentage Yield and Energy Sometimes reactions do not go to completion. Reaction can have yields from 1% to 100%. 1. How many grams of Fe are produced by the reaction…

Lesson 3 Percentage Yield and Energy Sometimes reactions do not go to completion. Reaction can have yields from 1% to 100%. 1. How many grams of Fe are produced by the reaction…

Round all masses to the 10ths place Step One: two atoms of iron and three of oxygen Step Two: Fe = 55.8 amu and O = 16.0 amu Step Three: (2 x 55.8) + (3 x 16.0) Step Four:…

Mole Problems Mole Problems Calculating molar mass Round all masses to the 10ths place Calculate the molecular weight of Fe2O3 Step One: two atoms of iron and three of oxygen…