Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 g/cm³. A fitting composed of common brass has a total volume of 128.0 cm³ Part A How many atoms of copper does the fitting contain? ΑΣφ ? N = atoms Part B How many atoms of zinc does the fitting contain? ? N = atoms

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter1: The Atom In Modern Chemistry
Section: Chapter Questions
Problem 10P
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Please answer 19 Part A and B

Common brass is a copper and zinc alloy
containing 37.0% zinc by mass and having a
density of 8.48 g/cm³. A fitting composed of
common brass has a total volume of 128.0 cm³ .
Part A
How many atoms of copper does the fitting contain?
VO AE
ΑΣφ
N =
atoms
Part B
How many atoms of zinc does the fitting contain?
?
N =
atoms
Transcribed Image Text:Common brass is a copper and zinc alloy containing 37.0% zinc by mass and having a density of 8.48 g/cm³. A fitting composed of common brass has a total volume of 128.0 cm³ . Part A How many atoms of copper does the fitting contain? VO AE ΑΣφ N = atoms Part B How many atoms of zinc does the fitting contain? ? N = atoms
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