A Chemistry student at Agora is calculating the average atomic mass of Potassium using the following data. Relative abundance Isotope K-39 K-41 Their setup and calculation are. Mass (amu) 93-12% 6.88% 38.964 40.962 X Atomic Mass 38.964 amu 40.962 amu Relative Abundance ( divide by 100) 0.0688 0.9312 = 2.681 = 38.144 40.823 amu The student calculated the average atomic mass to be 40.823 amu but it is 39.098 amu on the periodic table. What did the student do incorrectly? Use CER!
A Chemistry student at Agora is calculating the average atomic mass of Potassium using the following data. Relative abundance Isotope K-39 K-41 Their setup and calculation are. Mass (amu) 93-12% 6.88% 38.964 40.962 X Atomic Mass 38.964 amu 40.962 amu Relative Abundance ( divide by 100) 0.0688 0.9312 = 2.681 = 38.144 40.823 amu The student calculated the average atomic mass to be 40.823 amu but it is 39.098 amu on the periodic table. What did the student do incorrectly? Use CER!
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 27QRT
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