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 105 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
YES! Correct, THANKS for helping me on my review

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

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?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

A Mass-Loss Star A Mass-Loss Star
The ABCDEs of Melanoma Changes in a Mole The ABCDEs of Melanoma Changes in a Mole
Solution to exponential problem Solution to exponential problem
Which of the above illustrations shows an acidic aqueous solution Which of the above illustrations shows an acidic aqueous solution
Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ... Consider an aqueous solution of calcium nitrate added to an aqueous solution of sodium ...
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library