Author Question: The initial volume of a sample is 100 L. It is diluted with saline by a factor of 4. The final ... (Read 49 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?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library