« previous next »

Author Question: What is the molality of sodium chloride in solution that is 13.0 by mass sodium chloride and that ... (Read 208 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
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
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

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.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Electrospray mass spectrometry of a protein Electrospray mass spectrometry of a protein
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Chemical equilibrium and the law of mass action. Chemical equilibrium and the law of mass action.
Mass Wasting Triggers Mass Wasting Triggers
At 300 K a 500.0 mL solution containing 0.4314 g of dextrose has an osmotic pressure of 89.6 mm ... At 300 K a 500.0 mL solution containing 0.4314 g of dextrose has an osmotic pressure of 89.6 mm ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Video: Aneurysm

For a complete list of videos, visit our video library