Chemical Principles
8th Edition
ISBN: 9781337247269
Author: Steven S. Zumdahl; Donald J. DeCoste
Publisher: Cengage Learning US
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Chapter 2, Problem 90CP
You take three compounds, each consisting of two elements(X, Y, and/or Z) and decompose them to their respectiveelements. To determine the relative masses of X,Y, and Z, you collect and weigh the elements, obtainingthe following data:
a. What are the assumptions needed to solve thisproblem?
b. What are the relative masses of X, Y, and Z?
c. What are the chemical formulas of the threecompounds?
d. If you decompose 21 g of compound XY, how muchof each element is present?
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A chromatogram with ideal Gaussian bands has tR = 9.0 minutes and w1/2 = 2.0 minutes. Find the number of theoretical plates that are present, and calculate the height of each theoretical plate if the column is 10 centimeters long.
Chapter 2 Solutions
Chemical Principles
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