Ask Question
19 April, 11:59

Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 2.7 L sample from the atmosphere at sea level (1.00 atm) on a warm day (25 ∘C), how many CO2 molecules are in your sample?

+4
Answers (1)
  1. 19 April, 15:44
    0
    2.66 x 10^19 CO2 molecules

    Explanation:

    0.04% = 0.04 / 100 = 0.00040

    2.7 L air x (0.00040 L of CO2 is in 1 L air) = 0.00108 L CO2

    Use the ideal gas law to find moles of CO2.

    PV = nRT

    n = PV / RT = (1.00 atm) (0.0012 L) / (0.0821 L atm / K mole) (298 K) = 4.44 x 10^-5 moles CO2

    One mole of anything contains 6.02 x 10^23 particles.

    4.44 x 10^-5 moles CO2 x (6.02 x 10^23 CO2 molecules / 1 mole CO2) = 2.66 x 10^19 CO2 molecules
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Carbon dioxide makes up approximately 0.04% of Earth's atmosphere. If you collect a 2.7 L sample from the atmosphere at sea level (1.00 ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers