This topic contains a solution. Click here to go to the answer

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 136 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sailorcrescent

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

B




jessicacav

  • Member
  • Posts: 558
Reply 2 on: Aug 27, 2018
Gracias!


DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library