Fish breathe the dissolved air in water through their gills. Assuming the partial pressures of oxygen and nitrogen in the air are to be .20 atm and .80 atm respectively, calculate the mole fractions of oxygen and nitrogen in the air dissolved in water at 298 k. The solubilities of oxygen and nitrogen in water at 298 k are 1.3 x 10^-3 mol/lxatm and 6.8 x 10^-4 mol/lxatm respectively.

  1. 👍
  2. 👎
  3. 👁
  1. c = p*K
    For O2, c = 1.3E-3 mol/L*atm x (0.2) and
    for N2, c = 6.8E-4 mol/L*atm x (0.8).
    Add to find total mols, then
    XO2 = nO2/total mols
    XN2 = nN2/total mols.

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    This month Carla caught the following fish in Lake George, 24 trout, 41 sunfish, 12 perch and 23 blue gills. If Carla catches another fish this month, what is the probability of her catching a trout? A. about 1/2 B. about 1/4 C.

  2. chem 102

    Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.1L of water upon warming from 25 ∘C to 50 ∘C. Assume that the water is initially saturated

  3. chemistry

    Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this

  4. Chemistry

    At 298 K, the Henry\'s law constant for oxygen is 0.00130 M/atm. Air is 21.0% oxygen.At 298 K, what is the solubility of oxygen in water exposed to air at 1.00 atm? At 298 K, what is the solubility of oxygen in water exposed to

  1. chemistry

    A gaseous mixture at a total pressure of 1.50 atm contains equal molar amounts of He, Ne, and Ar. At constant temperature CO2 gas is added to the mixture until the total pressure is 3.00 atm. Which of the following is a correct

  2. Environmental Science

    I need help on this question: 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh

  3. Chemistry

    Most fish need at least 4.00 ppm dissolved O2 for survival. (a) What is this concentration in M (assume the density of the solution is 1.00 g/mL)? (b) What partial pressure of O2 above the water is needed to obtain this

  4. chemistry

    Air consits of 21% oxygen, 78% nitrogen and 1% argon by volume. Calculate the partial pressures in Pa if total pressure is 1 atm. My teacher just converted 1atm in pa and then did 21% of that for oxygen etc etc. Can you explain

  1. Chemistry

    Nitrogen (80 kPa), oxygen (21.0 kPa), carbon dioxide (0.03 kPa), and water vapor are the usual components of air. What is the partial pressure of water in mm Hg if the total atmospheric pressure in 1.00 atm?

  2. Science

    A student goes fishing in the bay.He catches a few fish and dicides to put them with other fish in a small fishpond behind his house.The next day he notices that all the new fish have died. Which is the MOST LIKELY reason the fish

  3. Science

    Hoi! I need a little help. I have a question (don't worry I'm not cheating I want to make sure my answer is at least compatible). ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Here it is: Consider a wetland ecosystem similar to the

  4. Scientific Method

    Candy wondered if caffeine would affect the breathing rate of goldfish. She went to the store and purchased 10 goldfish of approximately the same age and size, identical containers, food, and caffeine tablets. In one container she

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