Chemistry: Molecular Approach (4th Edition)

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

Chapter 2 - Exercises: 125

Answer

1 * 10^78 atoms/universe

Work Step by Step

Take the density and the volume in ml of the sun ( 4/3pi r^3) using the radius given. Then using density= mass/ volume solve for mass and then convet to moles and then to atoms by using Avogadro's number 6.022x 10^23. Finally multiply this answer by 100 billion and then 10 billion. And that will give the answer.
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