Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

znimon

  • one year ago

Analysis of a gas indicated that 46.2 % of its mass was carbon and 53.8% of the mass was nitrogen.

  • This Question is Closed
  1. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    At 25oC and 751 torr, 1.05 g of the gas occupies 0.500 L. What is the molecular formula for the gas?

  2. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Does it matter if this is an ideal gass because I would like to use PV = nRT = ideal gass law

  3. goformit100
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1364660898982:dw|

  4. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    using this equation i got moles = 0.020194 moles

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

    @Callisto

  6. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @Yahoo!

  7. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @.Sam.

  8. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    CN or C2N2......?

  9. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    any ideas?

  10. .Sam.
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    yes

  11. .Sam.
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    We can get the number of moles of the total gas with PV=nRT, see picture below, we get 0.020195 mol of gas

  12. .Sam.
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    1 Attachment
  13. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes I got that

  14. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    but what I need is how to get the molecular formula because I only have percent by mass

  15. znimon
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so I dont know

  16. Yahoo!
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    n= m/M PV = nRT PV = m/M R T From this equation find M ie MOLECULAR MASS

  17. Yahoo!
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Form this info ::::: Analysis of a gas indicated that 46.2 % of its mass was carbon and 53.8% of the mass was nitrogen. find Emperical Formula n = MOLECULAR MASS / EMPERICAL FORMULA MASS

  18. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.