Mass Relationships in Chemical Reactions and Stoichiometry Chapter 3 C 2H 6O Imran Syakir Mohamad Chemistry DACS 1233 1 Atomic Mass Atomic mass is the mass of an atom in…

1. The Arithmetic of Chemistry Stoichiometry andChemical Equations 2. 1. FORMULA: Potassium bromide2. FORMULA: Iron (III) oxide3. NAME: BaCl24. NAME: (NH4)2S5. What IFA exist/s…

Chemical Formulas Chapter 7 A molecule is an aggregate of two or more atoms in a definite arrangement held together by chemical bonds A diatomic molecule contains only two…

The S-word Stoichiometry Chapter 3 By definition: 1 atom 12C “weighs” 12 amu On this scale 1H = 1.008 amu 16O = 16.00 amu Atomic mass is the mass of an atom in atomic…

FORMULAS, EQUATIONS AND MOLES Mole Calculation Chapter 3 Names associated with an amount The mole (mol) is the amount of a substance that contains as many elementary entities…

2.3; 3.1-3.6 Web Link There are three naturally occurring isotopes of neon. Their percent abundances and atomic masses are neon-20, 90.51%m 19.99244 u; neon-21, 0.27%, 20.99395;…

Mass Relationships in Chemical Reactions Chapter 3 By definition: 1 atom 12C “weighs” 12 amu On this scale 1H = 1.008 amu 16O = 16.00 amu Atomic mass is the mass of an…

Mass Relationships in Chemical Reactions Chapter 3 By definition: 1 atom 12C “weighs” 12 amu On this scale 1H = 1.008 amu 16O = 16.00 amu Atomic mass is the mass of an…

Mass Relationships in Chemical Reactions Chapter 3 4 - 5 Lectures Dr. Ali Bumajdad Chapter 3 Topics Dr. Ali Bumajdad Average Atomic Masses The Mole Molar Mass (M.m.) and…

Chapter 3 Mass Relationships in Chemical Reactions Semester 1/2012 3.1 Atomic Mass 3.2 Avogadro’s Number and the Molar Mass of an element 3.3 Molecular Mass 3.5 Percent…