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Author Question: What is the chemical formula of rhenium(VII) oxide? A) ReO7 B) ReO4 C) Re2O7 D) ... (Read 112 times)

Destiiny22

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What is the chemical formula of rhenium(VII) oxide?
 
  A) ReO7
  B) ReO4
  C) Re2O7
  D) Re3O6

Question 2

The U.S. Mint produced pure silver quarter commemorative coins in 1992, each coin weighing 5.67 g. How many silver atoms are present in each coin?
 
  A) 6.02  1023
  B) 3.15  1022
  C) 1.14  1023
  D) 1.14  10-23



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cclemon1

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Answer to Question 1

C

Answer to Question 2

B




Destiiny22

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Reply 2 on: Aug 27, 2018
Excellent


ashely1112

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Reply 3 on: Yesterday
Gracias!

 

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