Author Question: The average rate of disappearance of I- between 400.0 s and 800.0 s is ________ M/s. A) 2.8 10-5 ... (Read 85 times)

s.tung

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The average rate of disappearance of I- between 400.0 s and 800.0 s is ________ M/s.
 
  A) 2.8  10-5
  B) 1.4  10-5
  C) 5.8  10-5
  D) 3.6  104
  E) 2.6  10-4

Question 2

The symbol for the element sodium is ________.
 
  A) Me
  B) Hg
  C) Sn
  D) Na
  E) Pb


Viet Thy

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Answer to Question 1

A

Answer to Question 2

D



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