1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Small question about molar concentrations.

  1. Nov 2, 2006 #1
    Hello, on one of my thermo problems, it says, "a molar concentration of .5 parts per million." what does this mean? .5 moles in a million?
  2. jcsd
  3. Nov 3, 2006 #2


    User Avatar

    Staff: Mentor

    No. 0.5 ppm concentration.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Small question about molar concentrations.
  1. Small question (Replies: 1)