On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally occurring tin atoms. a) How many atoms of 124 Sn are present in 42.7 g of a natural sample of tin? 124 Sn: 1.491e24 atoms Scientific Notation: 1.491 x 1024 Helpful tip: To enter a number in scientific notation, enter 0E5 or 1.0e5, for 1.0 x 105 where the E# (or e#) denotes 10# b) Considering 124 Sn has an isotopic mass of 123.905 amu, calculate the mass of this isotope in the sample. Mass: 6.0

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter5: Stoichiometry
Section: Chapter Questions
Problem 23Q: Reference Section 5-2 to find the atomic masses of 12C and 13C, the relative abundance of 12C and...
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On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes
up 5.80% of naturally occurring tin atoms.
a) How many atoms of 124 Sn are present in 42.7 g of a natural sample of
tin?
124 Sn: 1.491e24
atoms
Scientific Notation: 1.491 x 1024
Helpful tip: To enter a number in scientific notation, enter 0E5 or 1.0e5, for 1.0 x 105 where
the E# (or e# ) denotes 10#
b) Considering 124 Sn has an isotopic mass of 123.905 amu, calculate the
mass of this isotope in the sample.
Mass:
8.0
g
Transcribed Image Text:On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally occurring tin atoms. a) How many atoms of 124 Sn are present in 42.7 g of a natural sample of tin? 124 Sn: 1.491e24 atoms Scientific Notation: 1.491 x 1024 Helpful tip: To enter a number in scientific notation, enter 0E5 or 1.0e5, for 1.0 x 105 where the E# (or e# ) denotes 10# b) Considering 124 Sn has an isotopic mass of 123.905 amu, calculate the mass of this isotope in the sample. Mass: 8.0 g
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