Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 2 - Exercises - Page 82: 112

Answer

1.99 x 10 ^ 25 atoms

Work Step by Step

Convert the edge of the cube from inches into centimeters. Calculate the volume of the cube. We are trying to determine the mass of the cube. Use the density of titanium as a conversion factor in order to convert volume into mass. Also convert cubic centimeters into cubic meters. Compute the mass of a single titanium atom. Use Avogadro's number and the molar mass of titanium as conversion factors. Determine the number of atoms in the cube by dividing the mass of the cube by the mass of a single atom.
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