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: The complete combustion of 0.285 g of a pure hydrocarbon yielded 0.878 g CO 2 and 0.405 g H2O. What is the mass % C in this hydrocarbon? A) 24.0% B) 72.7% C) 27.3% D) 32.4% E) 84.1%

Problem

The complete combustion of 0.285 g of a pure hydrocarbon yielded 0.878 g CO 2 and 0.405 g H2O. What is the mass % C in this hydrocarbon?

A) 24.0%

B) 72.7%

C) 27.3%

D) 32.4%

E) 84.1%