Ch.3 - Chemical ReactionsWorksheetSee 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: Ethane has molecular formula C2H6. What is the percent composition of carbon and hydrogen in ethane? Round the molar mass of carbon to 12 g/mol and the molar mass of hydrogen to 1.0 g/mol.A. 60.% carb

Solution: Ethane has molecular formula C2H6. What is the percent composition of carbon and hydrogen in ethane? Round the molar mass of carbon to 12 g/mol and the molar mass of hydrogen to 1.0 g/mol.A. 60.% carb

Problem

Ethane has molecular formula C2H6. What is the percent composition of carbon and hydrogen in ethane? Round the molar mass of carbon to 12 g/mol and the molar mass of hydrogen to 1.0 g/mol.

A. 60.% carbon and 40.% hydrogen

B. 65.% carbon and 35.% hydrogen

C. 70.% carbon and 30.% hydrogen

D. 75.% carbon and 25.% hydrogen

E. 80.% carbon and 20.% hydrogen