Chapter 9 Introduction to General, Organic, and Biochemistry 10e John Wiley & Sons, Inc Morris Hein, Scott Pattison, and Susan Arena Calculations from.
Dalton used the percentages of elements in compounds and the chemical formulas to deduce the relative masses of atoms Unit is the amu(atomic mass.
Chapter 4 Chemical Reactions
Chapter 3: Calculations with Chemical Formulas and Equations
Chapter 9 Chemical Quantities
The Mole Chapter 11 – Chemistry L1 LSM High School Section 11.1: Measuring Matter Objectives: Describe how a mole is used in chemistry Relate a mole to.
The Mole. Dimensional Analysis Review How many seconds are in 5.0 hours?
Chemical Composition Chapter 8
Chapter 3: Calculations with Chemical Formulas and Equations MASS AND MOLES OF SUBSTANCE 3.1 MOLECULAR WEIGHT AND FORMULA WEIGHT -Molecular weight: (MW)
MEET THE MOLE.. o The mole is a unit of measurement. o The unit can be defined in multiple ways. (We’ll learn 3 today.) o In its simplest terms, it represents.
Chapter 8 Chemical Composition Chemistry 101. Atomic mass unit (amu) = 1.6605×10 -24 g Atomic Weight Atoms are so tiny. We use a new unit of mass: