January 11, 2025, 07:49:46 AM
Forum Rules: Read This Before Posting


« previous next »
Pages: [1]   Go Down

Topic: Henry's Law and solubility Q's  (Read 3102 times)

0 Members and 1 Guest are viewing this topic.

Offline NanoMan

  • New Member
  • **
  • Posts: 3
  • Mole Snacks: +0/-0
Henry's Law and solubility Q's
« on: October 18, 2009, 01:19:34 AM »
Hi guys, I'm new here. Great place!  8)

The question I'm having trouble with is:

"The solubility of O2 is water is 0.524 g/l at an atmospheric pressure of 14.7 atm. What is the Henry's law constant kH for oxygen in units of mol/L/atm?"

Giving me a bit of grief, I keep getting 2.228E-3 !! Any help will be greatly appreciated!


Cheers,

James :-)
Logged

Offline MrTeo

  • Chemist
  • Full Member
  • *
  • Posts: 312
  • Mole Snacks: +31/-9
  • Gender: Male
Re: Henry's Law and solubility Q's
« Reply #1 on: October 18, 2009, 12:00:43 PM »
Well, seems quite simple to me...





So converting your solubility value to mol/L (0.016M) we get 1.11e-3 mol/(L∙atm).
Have you considered that O2 is 32 g/mol and not 16 g/mol?  ;D
Logged
The way of the superior man may be compared to what takes place in traveling, when to go to a distance we must first traverse the space that is near, and in ascending a height, when we must begin from the lower ground. (Confucius)

Offline NanoMan

  • New Member
  • **
  • Posts: 3
  • Mole Snacks: +0/-0
Re: Henry's Law and solubility Q's
« Reply #2 on: October 18, 2009, 08:41:22 PM »
Thanks MrTeo!

You are correct- it seems that I had overlooked that small fact....  ::)

Thanks for your help with my problem, I appreciate it :-)

James
Logged
Pages: [1]   Go Up
« previous next »
Sponsored Links