Ch.2 - Atoms & ElementsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Calculate the number of carbon atoms in 4.56 grams of ethanol (CH 3CH2OH). 1. 2.53 × 1026 atoms 2. 1.19 × 1023 atoms 3. 1.79 × 1023 atoms 4. 5.49 × 1024 atoms 5. 5.97 × 1022 atoms

Problem

Calculate the number of carbon atoms in 4.56 grams of ethanol (CH 3CH2OH).

1. 2.53 × 1026 atoms

2. 1.19 × 1023 atoms

3. 1.79 × 1023 atoms

4. 5.49 × 1024 atoms

5. 5.97 × 1022 atoms