Chemistry: Atoms First (2nd Edition)

Published by Cengage Learning
ISBN 10: 1305079248
ISBN 13: 978-1-30507-924-3

Chapter Review - Exercises - Page 27f: 72

Answer

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Work Step by Step

Magnesium filings and powdered sulfur placed together in a metal beaker is a mixture because it does not have a uniform composition but after is reacts and forms magnesium sulfide it will become pure substance because it is now a pure compound and has a uniform composition.
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