Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

rozabelikov Group Title

Calculate the average atomic mass of an unknown element that has two naturally-occurring isotopes. The first isotope occurs 75.47% of the time and has a mass of 248.7 a.m.u. The second isotope occurs 24.53% of the time and has a mass of 249.4 a.m.u.

  • one year ago
  • one year ago

  • This Question is Open
  1. primeralph Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1368208509576:dw|

    • one year ago
  2. brookester6 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    would equal 61.08

    • one year ago
  3. primeralph Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    no.

    • one year ago
  4. brookester6 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    yes >:(

    • one year ago
  5. primeralph Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    well then.

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.