A 0.10 M solution of an unknown compound B is measured in a 1.00 cm path length cuvette at a wavelength of 500 nm. The percentage of light transmitted through the cell is 38%. What is the absorbance of this sample (A) at 500 nm? Assuming Beer's Law holds, what is the value of & for compound B at 500 nm?
A 0.10 M solution of an unknown compound B is measured in a 1.00 cm path length cuvette at a wavelength of 500 nm. The percentage of light transmitted through the cell is 38%. What is the absorbance of this sample (A) at 500 nm? Assuming Beer's Law holds, what is the value of & for compound B at 500 nm?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Solve question 3) A 0.10 M solution of an unknown compound B is measured in a 1.00 cm path length cuvette at a wavelength of 500 nm. The percentage of light transmitted through the cell is 38%. What is the absorbance of this sample (A) at 500 nm? Assuming Beer's Law holds, what is the value of x for compound B at 500 nm?
Transcribed Image Text:RE-LAB CALCULATIONS
1. How many grams of CuSO4-5 H₂O are needed to prepare 100.0 mL of a 0.15 M
CuSO4 (aq) solution?
2. In order to make a solution that is 0.030 M in CuSO4, what volume of the above
solution should be diluted to 5.00 mL with water?
3. A 0.10 M solution of an unknown compound B is measured in a 1.00 cm path
length cuvette at a wavelength of 500 nm. The percentage of light transmitted
through the cell is 38%. What is the absorbance of this sample (A) at 500 nm?
Assuming Beer's Law holds, what is the value of & for compound B at 500 nm?
4. A sample of the same compound B is measured to have an absorbance of 0.90 in
a 1.00 cm path length cell at 500 nm. What is the concentration of B in this
sample, assuming Beer's Law holds?
5. What is meant by the term "green chemistry"? Why is copper(II) sulfate
considered to be more "green" than the cobalt (II) nitrate that was used
previously?
4-5
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY