Author Question: What is the molality of sodium chloride in solution that is 13.0 by mass sodium chloride and that ... (Read 184 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
What is the molality of sodium chloride in solution that is 13.0 by mass sodium chloride and that has a density of 1.10 g/mL?
 
  A) 2.23
  B) 1.30
  C) 2.56
  D) 2.03
  E) 1.10

Question 2

Molecular mass can be determined by
 
  A) combustion analysis.
  B) mass spectrometry.
  C) titration.
  D) weighing with an analytical balance.



sylvia

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

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
Both answers were spot on, thank you once again



sylvia

  • Sr. Member
  • ****
  • Posts: 331

 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

For a complete list of videos, visit our video library