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 100 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
:D TYSM

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The FDA recognizes 118 routes of administration.

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
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema
Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Integral Solution Integral Solution
An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i
Video: Enzyme structure - Properties of enzymes

For a complete list of videos, visit our video library