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Author Question: How many molecules are contained in 25.0 mL of butane? The density of butane is 0.6011 g/mL and the ... (Read 71 times)

bucstennis@aim.com

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on: Aug 27, 2018
How many molecules are contained in 25.0 mL of butane? The density of butane is 0.6011 g/mL and the molar mass is 58.12 g/mol.
 
  A) 2.59  1023 molecules butane
  B) 1.46  1027 molecules butane
  C) 6.87  1023 molecules butane
  D) 1.56  1023 molecules butane
  E) 7.14  1025 molecules butane

Question 2

Crude oil is an example of
 
  A) a compound.
  B) an element.
  C) a heterogeneous mixture.
  D) a homogeneous mixture.


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scikid

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

D

Answer to Question 2

C


bucstennis@aim.com

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Reply 2 on: Aug 27, 2018
Gracias!

mochi09

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Reply 3 on: Yesterday
Wow, this really help

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