« previous next »

Author Question: What is the molality of sodium chloride in solution that is 13.0 by mass sodium chloride and that ... (Read 134 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?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
Due to compressibility, atmospheric mass gradually “thins out” with height. Due to compressibility, atmospheric mass gradually “thins out” with height.
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Which of the following is not a unit factor related to a 15.0% aqueous solution Which of the following is not a unit factor related to a 15.0% aqueous solution
Solution to linear and parabola Solution to linear and parabola
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library