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Chemical and Engineering News publishes a list once a year

Modern Chemistry: Student Edition 2012 | 1st Edition | ISBN: 9780547586632 | Authors: Jerry L. Sarquis, Mickey Sarquis ISBN: 9780547586632 214

Solution for problem 54 Chapter 22

Modern Chemistry: Student Edition 2012 | 1st Edition

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Modern Chemistry: Student Edition 2012 | 1st Edition | ISBN: 9780547586632 | Authors: Jerry L. Sarquis, Mickey Sarquis

Modern Chemistry: Student Edition 2012 | 1st Edition

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Problem 54

Chemical and Engineering News publishes a list once a year of the top 50 chemicals. Find out which chemicals on the current years list are hydrocarbons, and report your findings to the class. 5

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Avogadro’s Number: One Mole  Chemicals often use a measuring unit called the mole  Mole or Avogadro’s number is defined as o 1 Mole of atoms= 6.022 x 10^23 atoms Counting Atoms Using Moles  A mole happens to be the same number of atoms present in a sample that weighs the element’s atomic weight  Ex. 6.022 x 10^23 atoms of zinc weighs 65.39 g  Ex. 6.022 x 10^23 atoms of magnesium weighs 24.305 g Molar Mass  Molar mass of an element is mass in grams of one mole of atom of the element  One mole of element has mass in grams equal to its atomic weight  1 mole of Fe has 6.022 x 10^23 number of atoms and weighs 55.847 g  1 mole of Al has 6.022 x 10^23 number of atoms and weighs 26.98 g  Ex. How man

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Chapter 22, Problem 54 is Solved
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Textbook: Modern Chemistry: Student Edition 2012
Edition: 1
Author: Jerry L. Sarquis, Mickey Sarquis
ISBN: 9780547586632

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Chemical and Engineering News publishes a list once a year