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Author Question: An unknown gaseous substance has a density of 1.06 g/L at 31 C and 371 torr. If the substance has ... (Read 171 times)

jessicacav

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on: Aug 27, 2018
An unknown gaseous substance has a density of 1.06 g/L at 31 C and 371 torr. If the substance has the following percent composition: 88.8 C and 11.2 H, its molecular formula is ________.
 
  A) CH3
  B) C2H3
  C) C4H6
  D) C2H5

Question 2

An unknown gaseous substance has a density of 1.06 g/L at 31 C and 371 torr. Its molecular weight is ________.
 
  A) 27 g/mol
  B) 54 g/mol
  C) 81 g/mol
  D) 108 g/mol


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sailorcrescent

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

C

Answer to Question 2

B


jessicacav

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

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Reply 3 on: Yesterday
Wow, this really help

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