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10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and °'Rb. Given that the abundance ratio of 8Rb/Rb in natural rubidium is 2.591, calculate the actual mass of rubidium-87 ( Rb). 87

10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and °'Rb. Given that the abundance ratio of 8Rb/Rb in natural rubidium is 2.591, calculate the actual mass of rubidium-87 ( Rb). 87

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and °'Rb. Given that the abundance ratio of 85Rb/87Rb in natural rubidium is 2.591, calculate the actual mass of rubidium-87 (8'Rb). 87 The average mass of rubidium from the Periodic Table is 85.468 amu 85.468 amu = A¡(84.9117 amu) + A2(X amu) Combine the following two expressions to obtain the abundance of each isotope: A¡/A2 = 2.591 -> A1 + A2 = 1 %3D X = 86.909 amu %3D
Transcribed Image Text:10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and °'Rb. Given that the abundance ratio of 85Rb/87Rb in natural rubidium is 2.591, calculate the actual mass of rubidium-87 (8'Rb). 87 The average mass of rubidium from the Periodic Table is 85.468 amu 85.468 amu = A¡(84.9117 amu) + A2(X amu) Combine the following two expressions to obtain the abundance of each isotope: A¡/A2 = 2.591 -> A1 + A2 = 1 %3D X = 86.909 amu %3D
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