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!

Homework Help: How to Calculate the atomic mass of this isotope?

  1. Oct 4, 2009 #1
    Q: The actual mass of one atom of an unknown isotope is 2.18 x 10^-22g. Calculate the atomic mass of this isotope.

    `How do I calculate it? help =]
  2. jcsd
  3. Oct 4, 2009 #2


    User Avatar

    Staff: Mentor

    Do you know what amu is?

  4. Oct 4, 2009 #3

    or g/mol
  5. Oct 4, 2009 #4
    yes, i know amu and g/mol
  6. Oct 4, 2009 #5

    so 1 mol would equal whatever the atomic mass of this isotope is... you're given a sample of the isotope....

    think about how you would set up an equation to solve for "x" (x, in this case being the atomic mass)
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook