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7. A fictitious element which we will call dearbornium (Db) is made up of two isotopes. A sample of Db contains 2233 atoms of 292Db and 4026 atoms of 295D.. a) Calculate the percent abundance of each isotope in this sample. Show work and write your answers in the spaces provided. Give the answers to 5 sig.figs. 295 Db = 292 Db = b) If the mass of 292Db is 291.95 amu and that of 295Db is 294.97 amu, what is the average atomic mass of dearbornium? Write the equation and clearly show your work.

7. A fictitious element which we will call dearbornium (Db) is made up of two isotopes. A sample of Db contains 2233 atoms of 292Db and 4026 atoms of 295D.. a) Calculate the percent abundance of each isotope in this sample. Show work and write your answers in the spaces provided. Give the answers to 5 sig.figs. 295 Db = 292 Db = b) If the mass of 292Db is 291.95 amu and that of 295Db is 294.97 amu, what is the average atomic mass of dearbornium? Write the equation and clearly show your work.

Chemistry
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...
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Imass f# 7. A fictitious element which we will call dearbornium (Db) is made up of two isotopes. A sample of Db contains 2233 atoms of 292Db and 4026 atoms of 29SD6. a) Calculate the percent abundance of each isotope in this sample. Show work and write your answers in the spaces provided. Give the answers to 5 sig.figs. 295 Db = 292 Db = b) If the mass of 292DB is 291.95 amu and that of 295Db is 294.97 amu, what is the average atomic mass of dearbornium? Write the equation and clearly show your work.
Transcribed Image Text:Imass f# 7. A fictitious element which we will call dearbornium (Db) is made up of two isotopes. A sample of Db contains 2233 atoms of 292Db and 4026 atoms of 29SD6. a) Calculate the percent abundance of each isotope in this sample. Show work and write your answers in the spaces provided. Give the answers to 5 sig.figs. 295 Db = 292 Db = b) If the mass of 292DB is 291.95 amu and that of 295Db is 294.97 amu, what is the average atomic mass of dearbornium? Write the equation and clearly show your work.
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