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Author Question: The mole fraction of carbon dioxide in dry air near sea level is 0.000375, where the molar mass of ... (Read 110 times)

jessicacav

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The mole fraction of carbon dioxide in dry air near sea level is 0.000375, where the molar mass of carbon dioxide is 44.010. The partial pressure of carbon dioxide when the total atmospheric pressure (dry air) is 97.5 kPa is ________ kPa.
 
  A) 2.63  10 5
  B) 5.97  103
  C) 0.0370
  D) 1.63
  E) 8.40  10-4

Question 2

Which of the following polyatomic ions is positively charged?
 
  A) ammonium
  B) carbonate
  C) dihydrogen phosphate
  D) acetate



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lou

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Answer to Question 1

C

Answer to Question 2

A




lou

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