Chem

What is the mole fraction of H2 in a mixture with the total pressure of 800 torr when the partial pressure of H2 is 90 torr?

  1. 👍 0
  2. 👎 0
  3. 👁 1,176
  1. XH2 = PH2/total P = 90/800

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry! URGENT!!!

    A gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 365 mmHg?

    asked by chelsey on December 6, 2010
  2. CHEMISTRY

    A mixture of Xe, Kr, and Ar has a total pressure of 6.7 atm. What is the mole fraction of Kr if the partial pressures of XE and Ar are 1.6 atm and 2.8 atm? Did anyone get .343 ?

    asked by John on May 12, 2012
  3. Chemistry

    In a gas mixture of He, Ne, and Ar with a total pressure of 8.40 atm, the mole fraction of Ar is ________ if the partial pressures of He and Ne are 1.50 and 2.00 atm respectively. pHe = 1.50 atm. pNe = 2.00 atm. pAr = 8.40 atm -

    asked by john on January 14, 2007
  4. Partial Pressure- Chemistry

    A gaseous mixture of O2 and N2 contains 31.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 445 mmHg?

    asked by Sarah on September 23, 2008
  5. chemistry

    At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590.

    asked by renee on February 22, 2012
  1. Chem

    A solution is made by mixing 50.0 g C3H6O and 50.0 g of CH3OH. What is the vapor pressure of this solution at 25 degrees C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior.

    asked by Christopher on March 23, 2007
  2. CHEMISTRY

    A gaseous mixture was prepared by taking equal mole of CO and N2 .if the total pressure of the mixture was found 1 atmosphere ,the partial pressure of nitrogen (N2) in the mixture is.

    asked by Tanya on March 22, 2015
  3. Mole fraction of a vapor pressure?

    If 0.380 mol of a nonvolatile nonelectrolyte are dissolved in 3.00 mol of water, what is the vapor pressure P(H2O) of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 C. I got this answer correct: 21.1

    asked by Sar on September 2, 2010
  4. Mole fractions in a liquid mixture:

    Acetone, C3H6O, and ethyl acetate, C4H8O2, are organic liquids often used as solvents. At 30 degrees C, the vapor pressure of acetone is 285 mm Hg and the vapor pressure of ethyl acetate is 118mm Hg. the solution is prepared at 30

    asked by Sar on September 2, 2010
  5. Chemistry

    One mole of N2 and three moles of H2 are placed in a flask at 375 C. Calculate the total pressure of the system at equilibrium if the mole fraction of NH3 is 0.21. The Kp for the reaction is 4.31*10^4. I assume this to be the

    asked by Chemmy on March 2, 2011

You can view more similar questions or ask a new question.