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Whelan Whelan
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Posts: 3158
9 years ago
Each molecule of cortisone contains 21 atoms of carbon (plus other atoms).  The mass percentage of carbon in cortisone is 69.98%.  What is the molar mass of cortisone?
A) 176.5 g/mol
B) 252.2 g/mol
C) 287.6 g/mol
D) 360.4 g/mol
Textbook 
Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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Posts: 3075
9 years ago
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Whelan Author
wrote...

9 years ago
Thanks
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Yesterday
Good timing, thanks!
wrote...

2 hours ago
Smart ... Thanks!
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