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In Star Trek, a (fake) element that often plays a role in the plot is dilithium (Dt), which has three stable isotopes (given in the chart). What is the weighted atomic mass of dilithium, based on these isotopes? First, determine the abundance of Dt-224 by subtracting the abundances of Dt-221 and Dt-223 from 100. Then determine the weighted atomic mass. Abundance Isotope Mass (amu) (%) 221 Dt 120.90 X 223Dt 122.91 Y 224Dt 123.90 100-X-Y

In Star Trek, a (fake) element that often plays a role in the plot is dilithium (Dt), which has three stable isotopes (given in the chart). What is the weighted atomic mass of dilithium, based on these isotopes? First, determine the abundance of Dt-224 by subtracting the abundances of Dt-221 and Dt-223 from 100. Then determine the weighted atomic mass. Abundance Isotope Mass (amu) (%) 221 Dt 120.90 X 223Dt 122.91 Y 224Dt 123.90 100-X-Y

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 21QAP: Bromine has two occuring isotopes: 79Br with atomic mass 78.9183 and 81Br with atomic mass 80.9163....
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In Star Trek, a (fake) element that often plays a role in the plot is dilithium (Dt), which has three stable isotopes (given in the chart). What is the weighted atomic mass of dilithium, based on these isotopes? First, determine the abundance of Dt-224 by subtracting the abundances of Dt-221 and Dt-223 from 100. Then determine the weighted atomic mass. Abundance Isotope Mass (amu) (%) 221Dt 120.90 X 223Dt 122.91 Y 224Dt 123.90 100-X-Y
Transcribed Image Text:In Star Trek, a (fake) element that often plays a role in the plot is dilithium (Dt), which has three stable isotopes (given in the chart). What is the weighted atomic mass of dilithium, based on these isotopes? First, determine the abundance of Dt-224 by subtracting the abundances of Dt-221 and Dt-223 from 100. Then determine the weighted atomic mass. Abundance Isotope Mass (amu) (%) 221Dt 120.90 X 223Dt 122.91 Y 224Dt 123.90 100-X-Y
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