« previous next »

Author Question: How many molecules of aspirin, C9H8O4, are present in 1.5 mol of aspirin? A. 9.03 1022 molecules ... (Read 47 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Aug 27, 2018
How many molecules of aspirin, C9H8O4, are present in 1.5 mol of aspirin?
 
  A. 9.03  1022 molecules aspirin
   B. 9.03  1023 molecules aspirin
   C. 9.03  1024 molecules aspirin
   D. 9.03  1025 molecules aspirin

Question 2

The concentration of lithium chlorate solution is 12.0 by mass. In a ________ g sample of this solution, there are 238.5 g of dissolved lithium chlorate.
 
  A) 1990
  B) 28.6
  C) 0.199
  D) 5.03
  E) 0.0503


Sammyo

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Shapes of molecules Shapes of molecules
Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Non-Carbon Organic Molecules Non-Carbon Organic Molecules
Energy of reactant molecules. Energy of reactant molecules.
The arrangement of water molecules in (a) solid ice, and (b) liquid water. The arrangement of water molecules in (a) solid ice, and (b) liquid water.
Directional cloning of DNA molecules Directional cloning of DNA molecules
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library