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A membrane has pure water on one side of it as well as a protein solution on the other side. The membrane has pores equivalent in size to a spherical molecule with a molecular weight (Mm) of 120,000 daltons. The protein solution consists of albumin 40 g/L at Mm = 69,000 daltons), globulins (70 g/L at MW = 150,000 daltons), and fibrinogen (60 g/L at Mm = 340,000 daltons. Presume that T=25 C and the proteins form an ideal solution.
a. Explain the osmotic pressure of this protein solution?
b. Explain what would be the osmotic pressure of the protein solution if the membrane was completely impermeable to all the proteins?
Calculate the mass in grams of hydrogen chloride produced when 5.6 L of molecular hydrogen measured at STP react with an excess of molecular chlorine gas
Express the following population estimates for the year 2010 in nanomoles of people. Asia, 4.15 billion people = _______ nmol The world, 6.83 billion people
you need to produce a buffer solution that has a ph of 5.05. you already have a solution that contains 10 rm mmol
lda is added to a solution containing ethyl butanoate. after thisreaction has gone to completion propanal is added.
A laboratory glass bottle utilized in laboratory studies of hypoxia contains gas of the subsequent composition expressed as vol%: O2, 18.0%, N2, 80.0%; CO2 2.0%. a) Compute the partial pressure of each of the gas components. Assume atmospheric pres..
SO3 can be produced in the following two-step process: FeS2 + O2 ---> Fe2O3 + SO2 , SO2 + O2 ----> SO3 Assuming that all the FeS2 reacts, how many grams of SO3 are produced when 20.0 g of the FeS2 reacts with 16.0 g of O2?
Give the formulas of any solid products formed when the sodium salt of each of the anions in the far-left column is treated separately with 1)NH3 and BaCl2 solutions and 2) HNO3 and AgNO3 solutions. If no Precipitate would form write no reaction.
Sodium oxalate, Na2C2O4, in solution is oxidized to CO2 by MnO4- which is reduced to Mn2+. A 50.1 volume of a solution of MnO4- is required to titrate a 0.339 g sample of sodium oxalate.
Titanium (f=6.94 x 10-19 J) and silicon (f=7.77 x 10-19 J) surfaces are irradiated with UV radiation with a wavelength of 233 nm. Explain what is the wavelength (nm) of the electrons emitted by the titanium surface
Define the mass fraction of HCl in a process stream is 0.37. Define the other component in the process stream is water. Explain what is the mass fraction of water in the process stream
One component of wet rust is Fe(OH)2' How many grams of oxygen, O2, are in 1 kg of Fe(OH)2
A 1.45 g sample of an iron ore is dissolved in acid and the iron obtained is (aq). To titrate the solution, 21.6 mL of 0.102 M KMnO4(aq) is required. What is the percent of iron in the ore? Hint: calculate moles of iron then mass of iron then % ir..
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