# osmotic pressure chemistry

61,696 results

osmotic pressure chemistry.
I have a question about osmotic pressure. I took a test in chemistry and this was a multiple choice question. It said given the molar mass of each solution, which one had the high osmotic pressure. So a high osmotic pressure, means a high molar mass or a low molar mass?

Chemistry
I am having trouble figuring out the calculations for osmotic pressure. This is what I need to do. Indicate whether the osmotic pressure of a 0.1M NaNO3 solution will be less than , the same as , or greater than that each of the following solutions a. 0.1M NaCl b. 0.1M KNO3 c...

osmotic pressure chemistry.
For a given mass of solute per liter of solution, the larger to formula mass, the lower the osmotic pressure. Osmotic pressure depends on molar concentration. A large molar mass would tend to produce a lower concentration in terms of moles of particles per liter.

College Physiology
At the venular end of the capillary, the hydrostatic pressure is? A) higher than the osmotic pressrue B) lower than the osmotic pressure C) equal to the osmotic pressure D) higher than the hydrostatic pressure at the arteriolar end of the capillary

chemistry
A sample containing 0.0500mol of Fe2(SO4)3 is dissolved in enough water to make 1.00L of solution. This solution contains hydrated SO4 2- and Fe(H2O)6 3+ ions. The latter behaves as an acid: Fe(H2O)6 3+ --> Fe(H2O)5OH 2+ + H+ a) Calculate the expected osmotic pressure of ...

chemistry
Suppose you are given a list of solutions (all with nonvolatile solutes) and their concentrations. You pick out the one with the lowest freezing point. It should also have (pick all that apply): the lowest boiling point the highest osmotic pressure the lowest solvent vapor ...

Chemistry
Calculate the osmotic pressure of this solution. 18..6 grams of solute with molecular mass of 8940 grams are dissolved in enough water to make 1.00 dm3 of solution at 25 celsius. What is the osmotic pressure of the solution?

Calculate Osmotic Pressure
69.7 grams of a solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00 dm3 of solution at 20 degrees C. What is the osmotic pressure of the soluton?

Biology
Uable to find correct answer: In general it is expected_____________ A) hydrostatic pressure will remain constant throughout the capillary bed B) osmotic pressure will be higher in the arteriole end of the capillary bed compared to the venous end C) osmotic pressure will be ...

chemistry
Two solutions are prepared. In Solution A, 5.0 g of a substance of molecular weight 50 is dissolved in 100 mL of pure water. In Solution B, 5.0 g of a substance with molecular weight of 75 is dissolved in 100 mL of pure water. The solute is non volatile and non ionic. Which ...

Chem
Osmotic Pressure.. If the height of the column is 6 cm what is the osmotic pressure of the sugar solution in g/cm2 Assume the density of the solution is 1.01 g/ml.. Beaker of water with beaker of sugar solutution with semi permeable membrane

St Teresas College
Subject:Chemistry What is the difference between seawater and pure water in terms of osmotic pressure and vapour pressure?

vapor and osmotic pressure
A solution of the sugar mannitol ( molar mass 182.2 g/mol ) is prepared by adding 54.66 g of mannitol to 1.000 kg of water. The vapor pressure of pure liquid water is 17.54 torr at 20o C. Mannitol is nonvolatile and does not ionize in aqueous solution. a.) Assuming that ...

Chemistry Help!!!
How will the osmotic preassure of an aqueous solution change as evaporation occurs? A.The osmotic preassure will increase. B.The osmotic preassure will not change. C.The osmotic preassure will decrease. D.The osmotic preassure will increase or decrease until it equals the ...

Chemistry
What is the osmotic pressure of blood plasma at 37°c

biology
hi i have a few questions 1)osmotic pressure Basically, i got that its the pressure opposing osmois. can you explain it to me ? 2)hydroltic pressure Im thinking that its the pressure that builds up due to a higher concentration. Must be like potiential energy.

Physical Chemistry HELP!!!!!
A solution of the sugar mannitol ( molar mass 182.2 g/mol ) is prepared by adding 54.66 g of mannitol to 1.000 kg of water. The vapor pressure of pure liquid water is 17.54 torr at 20o C. Mannitol is nonvolatile and does not ionize in aqueous solution. a.) Assuming that ...

APChem
"The osmotic pressure of a saturated solution of strontium sulfate at 25C is 21 torr. What is the solubility product of this salt at 25C (Hint: calculate molarity from the colligative properties eqn of osmotic pressure and use it in the equilibrium expression" I converted torr...

Chemistry
Which solution has the higher osmotic pressure, 2 M NaCl or 2 M CaCl2?

chemistry
Calculate the osmotic pressure of a 6.0 × 10-2 M solution of NaCl at 20°C (293 K).

Chemistry
Calculate the osmotic pressure at 22 °C of a 0.25 M solution of a) dextrose, b) magnesium chloride.

Chemistry
What is the osmotic pressure formed by dissolving 50.8 mg of aspirin (C9H8O4) in 0.200 L of water at 18°C?

Chemistry
A solution that has an osmotic pressure greater than that of red blood cells is called?

chemistry
is the osmotic pressure formed by dissolving 50.9 mg of aspirin (C9H8O4) in 0.450 L of water at 24°C

Chemistry
What is the osmotic pressure in atmospheres of a 15% sucrose solution at a temperature of 25 degrees celcius

Chemistry
What is the osmotic pressure in atmospheres of a 15%(m/v) sucrose solution at a temperature of 25 degrees celcius

Chemistry
What is the osmotic pressure in atmospheres of 40.00% ( m/v) NaCl solution at a temperature of 0.0 degrees celcius

Chemistry
what is the osmotic pressure produced by a 1.20M glucose (CH12O6) solution at 25 degree

chemistry
Determine the osmotic pressure (in psi) , at 75.0o F, of an aqueous solution that is 2.60 % sodium sulfate by mass

chemistry
Arrange the following three water solutions according to decreasing osmotic pressure

chemistry
you add 13.7g HCL to water and make 500 mL solution. what will the solutions osmotic pressure be?

chemistry
THE FREEZING POINT OF BLOOD SERUM IS ABOUT 0.56 DEGREE CELSIUS WHAT IS ITS OSMOTIC PRESSURE

Chemistry
what is the osmotic pressure produced by a 1.20M glucose (C6H12O6) solution at 25 degree celsuis?

chemistry
how do I set up a problem for the solubility product(Ksp) of a salt given the osmotic pressure at 781atm?

Chemistry
The osmotic pressure of a liquid at 320 K is 145 kPa. Calculate the freezing point of the solution.

Chemistry
What is the osmotic pressure of a solution made from dissolving 60.0g of glucose, C6H12O6, in 450 mL of water at 10.0∘C?

AP Bio Lab
the water potential of a solution is equal to the osmotic potential plus the pressure potential. Since there is no differential pressure acting on the solution, the pressure potential is equal to 0 making the water potential equal to the osmotic potential. If the equilibrium ...

chemistry
Which solution would increase the osmotic pressure of water the most? a) KBr b) NaCl c) MgCl2 d) glucose

Chemistry
The osmotic pressure (T=25°C) of a saturated solution of CaC03 is 0.0179 atm. Determine the solubility product of the salt

Science - chemistry
The osmotic pressure of a solution of MgCl2 is 5.43 atm at 25 oC. How much of the salt is dissolved in 250.0 ml of water?

anatomy&physiology
What directions glomerular hydrostatic pressure,capsule hydrostatic pressure and blood colloid osmotic pressure will cause fluid to move.I've tried to look on internet differen imformations but just don't get it.Thank you for your time

Chemistry
What would the osmotic pressure be for an aqueous solution that contained the following, .4 M NaCl, .3 M glucose and .2 M CaCl2? Assume temp is 25 C.

chemistry
what is the osmotic pressure at 20 C of a solution made by dissolving 0.69 grams of sucrose C12 H22 O11 in 100 mL of water

Chemistry
Which of the following solutions would have the highest osmotic pressure? 0.15 M KCl 0.2 M C6H12O6 0.2 M C12H22O11 0.2 M CH3COOH 0.15 M CaCl2

chemistry
When 3.54 g of a nonelectrolyte solute is dissolved in 675 mL of water at 24 °C, the resulting solution exerts an osmotic pressure of 913 torr.

St Teresas College
What would be the difference between seawater and pure water in terms of osmotic pressure and vapour pressure?

chemistry
the average molar mass of polyethylene when 4.40 g of the polymer is dissolved in benzene to produce 200.0 mL of solution and the osmotic pressure is found to be ...

CHEMISTRY
Lysozmyne is an enzyme that breks bacterial cell walls. A solution containing 0.150g of this enzyme in 210ml of solution has an osmotic pressure of 0.217kPa at 25*C. What is the molar mass of Lysozmyne? I cant find the chemical formula anywhere. I have used the osmotice ...

chemistry
What is the osmotic pressure of a solution containing 25.7 g of sugar (C12H22O11) in one liter of solution at 20°C?

Anatomy
Is osmotic pressure the hydrostatic pressure on the side of a semiperable membrane containing the hypertonic solution which opposes the movement of water particles and can therefore stop osmosis? T OR F

chemistry
A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C.

physical chemistry
0.1M weak acid at 27 degree celcius has osmotic pressure of 2.5 atm. find % dissociation of acid?

chemistry
10.0 mg of a certain protein were dissolved in water to make a solution of 3.50 mL at 28.0o C. If the osmotic pressure is 1.30 torr, what is the molar mass of the protein?

Chemistry
If the osmotic pressure of urea (CH4N20) in water is measured at 0.0259 atm at 25 degress C what is the molartiy of the urea solution?

Chemistry
What is the osmotic pressure of a 50% sucrose solution at a temperature of 37 degrees celcius with a molar mass of sucrose of 342.30 grams

chemistry
A 100.0 ml aqeuous solution that contains 0.50 g of hemoglobin has an osmotic pressure of 0.00178 atm. What is the molar mass of hemoglobin?

chemistry
i need some help with this i don't even know where to begin A solution of 62.4 g of insulin in enough water to make 1.000 L of solution has an osmotic pressure of 0.305 atm at 25°C. Based on these data, what is the molar mass (MW) of insulin (g/mol)? (Which is the best answer...

Chemistry
a .72g sample of polyvinyl chloride is dissolved in 250.0ml of a suitable solvent at 25C. the solution has an osmotic pressure of 1.67mmHg.What is the molar mass of the PVC?

Chemistry
What is the osmotic pressure(in torr)of a 0.0015 M NaCl at 25 degrees celsius? (R= 62.4 L*torr/mol*K) Please show me how to set up the equation.

chemistry
What is the osmotic pressure in torr of a 0.0155 M glucose solution at body temperature ( 35.7 °C)? What are the boiling and freezing points for the same solution?

Chemistry
What is the osmotic pressure in atmospheres of a 50% sucrose solution at a temperature of 37 degrees celcius with molar mass of 342.30grams of sucrose

Chemistry
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 59.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Assuming ...

Chemistry
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Mc=? ...

chemistry
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Mc=? ...

chemistry
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Mc=? ...

chemistry
calculate the freezing point and osmotic pressure at 25 degrees celcious of an aqueous solution containing 1.0 g/L of a protein (mm=9.0*10^4g/mol) if the density of the solution is 1.0 g/cm^3

Chemistry
What is the density of an aqueous solution of potassiu nitrate that has normal boiling point of 103 celsius and an osmotic pressure of 122 atm at 25 celsius?

Chemistry
a solution of 4.65 of a carbohydrate in 100.0g of water has a density of 1.016g/mL and an osmotic pressure of 3.18 atm at 20.0 degrees celcius. calculate the molar mass of the carbohydrate.

chemistry
What is the osmotic pressure, expressed in the unit mmH2O, of a solution containing 125 ug of vitamin B12 (C63H88CoN14O14P) in 2.50 mL H2O at 25 degrees C? Answer: 9.33 mmH2O

chemistry
find the average molar mass of polyethylene when 4.40 g of the polymer is dissolved in benzene to produce 200.0 mL of solution and the osmotic pressure is found to be7.60 torr ant 25 celcious Degree.

CHEMISTRY
the osmotic pressure of blood at 37 degrees is 7.56atm. what mass of glucose should be dissolved per litre of solution for an intravenous injection to be isotonic with blood?

CHEMISTRY
the osmotic pressure of blood at 37 degrees is 7.56atm. what mass of glucose should be dissolved per litre of solution for an intravenous injection to be isotonic with blood?

CHEMISTRY
the osmotic pressure of blood at 37 degrees is 7.56atm. what mass of glucose should be dissolved per litre of solution for an intravenous injection to be isotonic with blood?

ap chemistry
a solution is prepared by dissolving 4.9 g C12H22 O11 (nonelectrolyte) in 175 grams of water. calculate the freezing poitn and osmotic pressure (25C) of this solution.

Physical Chemistry
The measured osmotic pressure of seawater is 25 atm at 273K. a.) What is the activity of water in seawater at 273 K? Take the partial molar volume of water in seawater to be 0.018 M-1. b.) The vapor pressure of pure water at 273 K is 4.6 torr. What is the vapor pressure of ...

Chemistry
A 271-mL of a sugar solution containing 1.79g of the sugar has an osmotic pressure of 30.1 mmHg at 35.1 degrees C. What is the molar maas of the sugar?

Chemistry
What is the osmotic pressure of .100 M solution of aluminum chloride at 27 deg C? I used the formula: pi=(i)(M)(R)(T) wasn't sure what i was but for M put down 0.100M, R=0.08206 and T=300K Answer is 9.85, but not sure how to get that.

Chemistry
A solution is prepared by dissolving 35g hoemoglobin in water to make 1 litter. If osmotic pressure of solution is 10.00mmHg at 25 degree centigrade. Calculate the molarmass of the hoem6globin

chemistry
A solution is prepared by dissolving 49.0 g of glucose (C6H12O6) in 225.0 g of water. The density of the resulting solution is 1.23 g/mL. Determine the osmotic pressure (in Pa) of this solution at 25.0 oC.

college chemistry
A) In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water contains about 560 ug of dissolved solids per milliliter. Reverse osmosis units are marketed in this area of soften water. A typical unit exerts a ...

Chemistry
What mass of sucrose (C12H22O11) would you combine with 5.28 102 g of water to make a solution with an osmotic pressure of 9.14 atm at 298 K? (Assume a density of 1.0 g/mL for the solution.) I came up with 67.5 but no luck...help please!!

chemistry
pepsin is an enzyme involved in the process of digestion. its molar mass is about 3.50 x 10^-4 g/mol. what is thr osmotic pressure in mm Hg at 30 degree oC of a 0.400g sample of pepsin in 55.0mL of an aqueous solution?

Chemistry
What osmotic pressure in atmospheres would you expect for a solution of 0.150M CaCl2 that is separated from pure water by a semipermeable membrane at 310 K? Assume 100% dissociation for CaCl2 Any help is appreciated, thank you!

chemistry hw
SOMEONE PLEASE HELP AND CONFIRM THE RIGHT ANSWER FOR ME...I HAVE ONE MORE ATTEMPT TO THIS PROBLEM AND I NEED HELP!!!!! PLEASE!!!!!!!!!!!!!!!!!!!! THANKS! In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied ...

chemistry
A solution contains 0.02755 g of a protein in 25.0 mL of solution. The osmotic pressure is 3.22 torr at 298 K. What is the molecular weight of the protein?

CHEMISTRY
Which of the following solutions do they have the maximum osmotic pressure : 1) 0.1 m ( molal conc.) glucose 2) 0.1 m sucrose 3) 0.5 m glucose 4) 0.2 m sucrose and why ?

Chemistry
An aqueous solution containing 10.50 g of a compound in 100.0 ml of solution has an osmotic pressure of 0.0187 atm. at 25°C. What is the molecular weight of the compound?

chemistry
osmotic pressure of a solution containing 7g of protein in 100ml of solution is 20mmhg at37celsius calculate molecular mass of the protein

Chemistry
A solution containing 26.40 mg of an unknown protein per 22.5 mL solution was found to have an osmotic pressure of 3.95 torr at 21 C. What is the molar mass of the protein?

chemistry
A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C. What is the molar mass of the protein?

chemistry
A dilute aqueous solution of CaCl2 contains 0.159 grams of solute per liter of solution. It is fully dissociated. What is the osmotic pressure of the solution against a membrane at 20.0 °C?

chemistry
why is the osmotic pressure of 10 mole solution sodium chloride larger than that of sodium nitrate solution

chemistry
A 1.10- sample contains only glucose and sucrose . When the sample is dissolved in water to a total solution volume of 25.0 , the osmotic pressure of the solution is 3.78 at 298 .

Chemistry
A protein has a molecular weight of 98,300 grams/ mole. What will be the osmotic pressure if 0.128 grams of this protein I dissolved in 15.0 ml of water at 20 degrees calcias?

Chemistry
Calculate the freezing point depression and osmotic pressure at 25 degrees C of an aqueous solution of 1.0 g/L of a protein (mol wt= 90,000) if the density of the solution is 1.0 g/mL. I know how to calculate freezing point depression and osmotic pressure, but I'm having ...

physiology
what happens to the osmotic pressure with increasing solute concentration

physical chemistry
The freezing point of a sample of abnormal blood was found to be -0.402 degree celsius. Estimate its osmotic pressure at 37 degree celsius. Kf(water)=1.86

General Chemistry
how many grams of a protein weighing 4500 grams/ mol must be present in 100 ml of water solution to a given osmotic pressure of 18 mm hg at 25 degrees celcius...( use formula of pie = Mrt

chemistry
If 6.38 g of a polyethylene glycol is dissolved in 7550 ml of water at 300 oK, the solution has an osmotic pressure of 0.171 torr. Calculate the molar mass (g/mol) of the polyethylene glycol.

Chemistry
Intravenous medications are often administered in 7% glucose (C6H12O6). what is the osmotic pressure of such solutions at 44 degrees C (body temperture)? the density of the solution is 1 g/mol. I would convert the percent concentration to Molarity. (Broken Link Removed)

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