What is the osmotic pressure of 0.250 M aqueous urea (CON2H4) at 25 °C. R = 0.08206 L atm/mol K and R = 8.3145 J/K mol)
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What is the osmotic pressure of 0.250 M aqueous urea (CON2H4) at 25 °C. R =...
Determine the osmotic pressure at 25 °C of an aqueous solution that is 0.028 M NaNO3. p = i M R T (R = 0.08206 atm L/mol K) For some reason the answer is 1.37 atm, but I am getting .685 atm.
1.a)The average osmotic pressure of sea water is 30 atm (atmospheres). Calculate the concentration of urea (CH4ON2) at 25 ° C that exerts the same pressure as seawater. R = 0.082 atm L/ mol K 1.b) There is a 1M solution of CH3COOH (acetic acid) in a total volume of 450 mL. What is the molality (m) of the solution? (ρ solution = 1.15 g / mL).
What is the osmotic pressure (in atm) of a 1.36M aqueous solution of urea [(NH2)2CO] at 22.0 degree celsius.?
The osmotic pressure of 1.88 × 10−2 M solutions of CaCl2 and urea at 25°C are 1.13 and 0.459 atm, respectively. Calculate the van't Hoff factor for the CaCl2 solution.
The osmotic pressure of 8.38 × 10−3 M solutions of CaCl2 and urea at 25°C are 0.506 and 0.205 atm, respectively. Calculate the van't Hoff factor for the CaCl2 solution.
28) 28) What is the osmotic pressure of a 0.25 M solution of sucrose at 37°C? (R = 0.0821 L-atm/K mol) A) 100 atm B) 6.4 atm 6.6 x 10-5 atm D) 940 atm E) 0.76 atm
A 36.5% by mass of C6H12O6, aqueous solution is prepared in the lab. the density of the solution is 2.97 g/ml. what is the osmotic pressure of the solution at 42 OC ( R=0.08206 L*atm/mol*K)
I’m just missing these two questions ? Help please P24. What is the osmotic pressure π), in atm, at 25 °C of an aqueous solution containing 2.75 grams of beryllium fluoride, BeF2, dissolved in 500 mL of water? BeF2 is an electrolyte compound. [Hint: van't Hoff Factor] & (R 0.0821 L atm/mol K) 2.61 atm b) 3.05 atm 7.15 atm 8.59 atm
The osmotic pressure of blood is 7.65 atm at 37 C. How much glucose should be used per L for an intravenous injection that is to have the same osmotic pressure as blood.(R = 8.314 (L-atm/K/mol)).
Determine the molarity of each of the following solutions from its osmotic pressure at 25°C. Include the van't Hoff factor for the solution when the factor is given. Part 1 II = 0.0211 atm for a solution of urea (CH4N2O): Part 2 II = 0.664 atm for a solution of KI, i=1.90:What molality of a nonvolatile, nonelectrolyte solute is needed to raise the boiling point of water by 7.35°C (K- 0.520°C/m)?