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Author Question: Combustion analysis of 1.200 g of an unknown compound containing carbon, hydrogen, and oxygen ... (Read 216 times)

mp14

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on: Aug 27, 2018
Combustion analysis of 1.200 g of an unknown compound containing carbon, hydrogen, and oxygen produced 2.086 g of CO2 and 1.134 g of H2O. What is the empirical formula of the compound?
 
  A) C2H5O
  B) C2H5O2
  C) C2H10O3
  D) C3H8O2

Question 2

Calculate the freezing point of a 0.05500 m aqueous solution of NaNO3. The molal freezing-point-depression constant of water is 1.86 C/m.
 
  A) 0.0286
  B) -0.106
  C) 0.106
  D) -0.0562
  E) -0.205


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jazzlynnnnn

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

D

Answer to Question 2

E


mp14

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

mochi09

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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