Iculate the atomic weight of Magnesium given the mass and natural occurrence of each tope. Express your answers in four (4) significant figures. Isotopes Magnesium - 24 Mass (amu) 23.99 Isotopic Abundance 78.99 % Isotopic portions (amu) (Product of mass (amu) and isotopic abundance) 4 sig.figures

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 37E: An element consists of 1.40% of an isotope with mass 203.973 u, 24.10% of an isotope with mass...
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Calculate the atomic weight of Magnesium given the mass and natural occurrence of each
isotope. Express your answers in four (4) significant figures.
Isotopes
Magnesium - 24
Magnesium 25
Magnesium - 26
Mass (amu)
23.99
24.99
25.98
Atomic weight of Magnesium
Isotopic
Abundance
78.99 %
10.00 %
11.01 %
Isotopic portions
(amu)
(Product of mass
(amu) and isotopic
abundance)
4 sig.figures
amu
Transcribed Image Text:Calculate the atomic weight of Magnesium given the mass and natural occurrence of each isotope. Express your answers in four (4) significant figures. Isotopes Magnesium - 24 Magnesium 25 Magnesium - 26 Mass (amu) 23.99 24.99 25.98 Atomic weight of Magnesium Isotopic Abundance 78.99 % 10.00 % 11.01 % Isotopic portions (amu) (Product of mass (amu) and isotopic abundance) 4 sig.figures amu
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