Ch.12 - SolutionsWorksheetSee 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: From the Beer-Lambert Law,  A=ebc Where A is absorbance, e is the molar absorbtivity, b is the path length of the sample - that is, the path length of the cuvette in which the sample is contained, and c is the concentration of the compound in solution. If someone measured a certain absorbance from a solution with a known concentration from the spectrometer, and then measured another solution of the same species at the same wavelength in the same spectrometer, is it possible to calculate the concentration of the second substance (which is currently an unknown)?

Solution: From the Beer-Lambert Law,  A=ebc Where A is absorbance, e is the molar absorbtivity, b is the path length of the sample - that is, the path length of the cuvette in which the sample is contained, a

Problem

From the Beer-Lambert Law, 

A=ebc

Where A is absorbance, e is the molar absorbtivity, b is the path length of the sample - that is, the path length of the cuvette in which the sample is contained, and c is the concentration of the compound in solution.

If someone measured a certain absorbance from a solution with a known concentration from the spectrometer, and then measured another solution of the same species at the same wavelength in the same spectrometer, is it possible to calculate the concentration of the second substance (which is currently an unknown)?