« previous next »

Author Question: How many molecules of aspirin, C9H8O4, are present in 1.5 mol of aspirin? A. 9.03 1022 molecules ... (Read 98 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 most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Molecular asymmetry: chiral and achiral molecules Molecular asymmetry: chiral and achiral molecules
Polar Nature of Water Molecules Polar Nature of Water Molecules
Minty-Smelling Molecules Minty-Smelling Molecules
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell. Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
Scientists should use a variety of media to present the message Scientists should use a variety of media to present the message
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

For a complete list of videos, visit our video library