1) 14.7 moles of Au react, how many grams of Au will that be?

2900 g Au

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

Reading a Periodic TableMoles

Stoichiometry

Using Dimensional AnalysisExplanation:

Step 1: Define

[Given] 14.7 mol Au

[Solve] g Au

Step 2: Identify Conversion

[PT] Molar Mass of Au - 196.97 g/mol

Step 3: Convert

[DA] Set up:                                                                                                     [DA] Multiply [Cancel out units]:                                                                    

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

2895.46 g Au ≈ 2900 g Au

Answer ozone (o3) is made of three atoms of oxygen, it is a molecule;