2.5.1 Boron has two naturally occurring isotopes, 1°B and "B, which have masses 10.0129 and 11.0093 amu, respec- tively. Given the average atomic mass of boron (10.81 amu), determine the percent abundance of each isotope. a) 50% 1ºB, 50% "B d) 93% 'ºB, 7% B b) 20% 1°B, 80% "B e) 22% 1°в, 78% "в с) 98% 1°в, 2% "в

2.5.1 Boron has two naturally occurring isotopes, 1°B and "B, which have masses 10.0129 and 11.0093 amu, respec- tively. Given the average atomic mass of boron (10.81 amu), determine the percent abundance of each isotope. a) 50% 1ºB, 50% "B d) 93% 'ºB, 7% B b) 20% 1°B, 80% "B e) 22% 1°в, 78% "в с) 98% 1°в, 2% "в

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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