Author Question: The initial volume of a sample is 100 L. It is diluted with saline by a factor of 4. The final ... (Read 57 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
The initial volume of a sample is 100 L. It is diluted with saline by a factor of 4. The final volume is 400 L. Testing the diluted sample finds an analyte concentration of 25 g/mL.
 
  Which of the following expressions can be used to calculate the initial analyte concentration of this sample?
  A)
  B)
  C)
  D)

Question 2

Which of the following expressions defines the dilution ratio of a sample?
 
  A) = Cfinal
  B) =
  C) =
  D) = Vfinal



JYan

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

For a complete list of videos, visit our video library