Suppose that a hypothetical element con- sists of a mixture of two isotopes. One iso- tope, having mass 44 amu, is present in 32% abundance, while the other isotope, having mass 46 amu, accounts for the other 68%. What should be the experimentally deter- mined atomic weight for this hypothetical el- ement? Answer in units of amu.
Suppose that a hypothetical element con- sists of a mixture of two isotopes. One iso- tope, having mass 44 amu, is present in 32% abundance, while the other isotope, having mass 46 amu, accounts for the other 68%. What should be the experimentally deter- mined atomic weight for this hypothetical el- ement? Answer in units of amu.
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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Question
Transcribed Image Text:Suppose that a hypothetical element con-
sists of a mixture of two isotopes. One iso-
tope, having mass 44 amu, is present in 32%
abundance, while the other isotope, having
mass 46 amu, accounts for the other 68%.
What should be the experimentally deter-
mined atomic weight for this hypothetical el-
ement?
Answer in units of amu.
e in
atom
Transcribed Image Text:A hypothetical element has two main isotopes
with mass numbers of 92 and 95. If 73.00% of
the isotopes have a mass number of 92 amu,
what atomic weight should be listed on the
periodic table for this element?
Answer in units of amu.
How many moles of chlorine atoms are present
in 8.36 x 1020 molecules of carbon tetrachlo-
ride (CCL4)?
Answer in units of mol.
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