If a solution containg 0.4 M NaCl is separated by smipermeable membrane. To Caculate the minimum pressure that must be applied at 20 °C to purify the water by reverse osmosis. (NaCl is completely dissociated). Minimum pressure must be above: (Note: your answer must be with 1 dp and the unit must be in atm, write the number in the blank without unit) R= 0.08206 Latm/Kmol %3D
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- What is the osmolarity of the solution? Is it hypertonic, isotonic, or hypotonic with blood plasma (0.30 osmol)? Discuss possible medicinal reasons forthe osmolarity of the solution.How can you prepare 2 Letter isotonic solution for an X fluid (osmolarity 200mosm/L). by using Nacl ( MW: 58).Estimate the osmotic pressure of a solution of 0.1 M NaCl at 25°C. Assume 100% ionization of solute.
- Patient has a sodium deficit of 168 mEq. How many milliliters of isotonic sodium chloride solution (0.9% w/v) should be administered to replace the deficit?Consider the two solutions separated by an ideal semipermeable membrane (permeable to water but impermeable to solute). Assuming complete dissociation of all the salts you can expect: a.) net water movement from side 1 to side 2 b.) net water movement from side 2 to side 1 c.) no net water movementGiven that the relative molecular mass of potassium chloride (KCl) is 74.5513 g mol-1, calculate the concentration of potassium chloride solution which will be iso-osmotic with tears (305 mOsM). State your answer in both molar concentration (mol/L) and in percentage (g/100 mL). Please answer very soon will give rating surely
- The osmolarity of a solution of 100 mM CaCh, is closest to the osmolarity of which of the following solutions? a. 50 mM NaCI b. 100 mM glucose c. 150 mM urea d. 150 mM NaCI e. 75 mM NaCI + 100 mM KCIMannitol, a carbohydrate, is supplied as a 25% (w/v) solution. This hypertonic solution is given to patients who have sustained a head injury with associated brain swelling. (a) What volume should be given to provide a dose of 70. g? (b) How does the hypertonic mannitol benefi t brain swelling?If the osmolarity of a solution of NaCl is 2.4 OsM, what would it be as a percent solution? MW of NaCl = 58.44 g/mole
- In an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution. (b) Identify the osmolarity of the apple.Some cells lining tubules in the kidneymaintain normal cell volume bysynthesizing organic solutes. Where inthe kidney would you expect to findthese cells? Explain.Solution A contains 100 mmol/L glucose and Solution B contains 50 mmol/L NaCl. Assume that gNaCl is 2.0, σglucose is 0.5, and σNaCl is 0.8. If a semipermeable membrane separates the two solutions, what is the direction of water flow across the membrane?