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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 92 times)

jessicacav

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on: Aug 27, 2018
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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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


jessicacav

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Reply #2 on: Aug 27, 2018
Thank you!


lou

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Reply #3 on: Aug 27, 2018
Always glad to help...


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