This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution. A) 0.0369 B) 0.0383 C) ... (Read 156 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Aug 27, 2018
Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution.
 
  A) 0.0369
  B) 0.0383
  C) 0.0739
  D) 0.0185
  E) The density of the solution is needed to solve the problem.

Question 2

The one element present in every organic compound is
 
  A. hydrogen.
   B. oxygen.
   C. carbon.
   D. nitrogen.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

C


notis

  • Member
  • Posts: 596
Reply 2 on: Aug 27, 2018
Gracias!

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Electrospray mass spectrometry of a protein Electrospray mass spectrometry of a protein
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
How to create a price index to calculate inflation for a basket of goods How to create a price index to calculate inflation for a basket of goods
Function, even or odd, solution Function, even or odd, solution
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 ...
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library