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Author Question: Convert 15.0 km to miles. A) 24.1 miles B) 9.32 miles C) 591 miles D) 33.1 ... (Read 293 times)

rl

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Convert 15.0 km to miles.
 
  A) 24.1 miles
  B) 9.32 miles
  C) 591 miles
  D) 33.1 miles

Question 2

What is the mass of 9.44  1024 molecules of NO2? The molar mass of NO2 is 46.01 g/mol.
 
  A) 205 g
  B) 294 g
  C) 721 g
  D) 341 g
  E) 685 g



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helenmarkerine

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Answer to Question 1

B

Answer to Question 2

C



rl

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helenmarkerine

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