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Learn the toughest concepts covered in Chemistry with step-by-step video tutorials and practice problems by world-class tutors

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Ch.1 - Introduction: Matter, Energy, and Measurement

Ch.2 - Atoms, Molecules, and Ions

Ch.3 - Chemical Reactions and Reaction Stoichiometry

BONUS: Lab Techniques and Procedures

BONUS: Mathematical Operations and Functions

Ch.4 - Reactions in Aqueous Solution

Ch.5 - Thermochemistry

Ch.6 - Electronic Structure of Atoms

Ch.7 - Periodic Properties of the Elements

Ch.8 - Basic Concepts of Chemical Bonding

Ch.9 - Molecular Geometry and Bonding Theories

Ch.10 - Gases

Ch.11 - Liquids and Intermolecular Forces

Ch.12 - Solids and Modern Materials

Ch.13 - Properties of Solutions

Ch.14 - Chemical Kinetics

Ch.15 - Chemical Equilibrium

Ch.16 - Acid-Base Equilibria

Ch.17 - Additional Aspects of Aqueous Equilibria

Ch.18 - Chemistry of the Environment

Ch.19 - Chemical Thermodynamics

Ch.20 - Electrochemistry

Ch.21 - Nuclear Chemistry

Ch.22 - Chemistry of the Nonmetals

Ch.23 - Transition Metals and Coordination Chemistry

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Brown - Chemistry:The Central Science 14th Edition

Chemistry:The Central Science

Mole Fraction

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Chapter 10, Problem 72a1

(a) What are the mole fractions of O₂ in a mixture of 15.08 g of O₂, 8.17 g of N₂, and 2.64 g of H₂?

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Chapter 10, Problem 72a1

(a) What are the mole fractions of O2 in a mixture of 15.08 g of O2, 8.17 g of N2, and 2.64 g of H2?

(a) What are the mole fractions of O₂ in a mixture of 15.08 g of O₂, 8.17 g of N₂, and 2.64 g of H₂?