What is the molar mass of a 1.9g sample of gas exerting 3.5 atm of pressure at 575k in a 12.5 L container?

4 Answers

Relevance
  • 1 month ago
    Favorite Answer

    m/V R T = M P

    1.9/12.5 (0.08206)(575) = M (3.5)

    M = 2.05 g/mol

    sounds like hydrogen

    When you get a good response,

    please consider giving a best answer.

    This is the only reward we get.

    • Caitlin1 month agoReport

      Thank you :) home with flu doing homework, taking all help I can get.

    • Log in to reply to the answers
  • 1 month ago

    n / V = P / RT = (3.5 atm) / ((0.082057366 L atm/K mol) x (575 K)) = 0.074179 mol/L

    (1.9 g) / (12.5 L) / (0.074179 mol/L) = 2.049 mol/L = 2.0 mol/L

    • Log in to reply to the answers
  • 1 month ago

    n = pV/(RT), and

    the molar mass is (1.9g)/n.

    Where R = 0.08206 L*atm/(mol*K)

    • Log in to reply to the answers
  • 1 month ago

    If you have a mass on your molar, go to the dentist and take. it. out.

    • Caitlin1 month agoReport

      You got me there!

    • Log in to reply to the answers
Still have questions? Get answers by asking now.