Author Question: A solution of aqueous ferric chloride has a concentration of 15 ppm. What does this tell us about ... (Read 73 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
A solution of aqueous ferric chloride has a concentration of 15 ppm. What does this tell us about the amount of ferric chloride in the solution?
 
  A) There are 15 grams of ferric chloride in every 1,000,000 grams of solution.
  B) There are 15 grams of ferric chloride in every 1,000,000 mL of solution.
  C) There are 15 mL of ferric chloride in every 1,000,000 mL of solution.
  D) Both A and B are correct.

Question 2

Which of the following features about a thromboplastin preparation is necessary for accurate results?
 
  A) Serial dilutions must be made of the thromboplastin preparation and measured to create a standard curve.
  B) The international sensitivity index (ISI) of the thromboplastin preparation should be close to 1.
  C) The thromboplastin preparation must be made by and purchased from the International Standardization Committee.
  D) The thromboplastin preparation must be tested and certified by the World Health Organization (WHO).



Mholman93

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

For a complete list of videos, visit our video library