*chemistry reagents 2009* how can it be?

  • Thread starter Thread starter TSERING L
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TSERING L

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Hey I was going through all my answers in the june 2009 chem. reagents on jmap.org and I was wondering why the answer for multiple choice # 7 "A 1.0-mole sample of krypton gas has a mass of" is not 36 grams. Why is it choice # 4? 84 grams
Just so confused.
 
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