A solution prepared by dissolving 14.5 mg of a nonelectrolyte in water and diluting to a volume of 10.0 mL gives an osmotic pressure of 33.8 mmHg at 300. K. What is the molecular weight of the nonelectrolyte in g/mol?
A solution prepared by dissolving 14.5 mg of a nonelectrolyte in water and diluting to a...
22. A solution is prepared by dissolving 6.00 g of an unknown nonelectrolyte in enough water to make 1.00 L of solution. The osmotic pressure of this solution is 0.750 atm at 25.0°C. What is the molecular weight of the unknown solute (R - 0.0821 L'atm/K mol)?
A solution was made by dissolving 5.60 mg of hemoglobin in water to give a final volume of 1.00 mL. The osmotic pressure of this solution was 2.14×10-3 atm at 25.0°C. Calculate the molar mass of hemoglobin, which is a molecular compound and a nonelectrolyte. Give your answer in g/mol.
A solution is prepared by dissolving 3 mg of an unknown protein in 5 mL of water. The resulting solution has an osmotic pressure of 7.23 torr at 25 °C. What is the molecular weight of the protein? 4.45 ´ 103 g mol-1 3.09 ´ 103 g mol-1 1.54 ´ 103 g mol-1 2.03 g mol-1 108 g mol-1 Please explain!
A solution prepared by dissolving 90.0 mg of a sugar (a molecular compound and a nonelectrolyte) in 1.00 g of water froze at -0.930°C. What is the molar mass of this sugar (g/mol)? The value of Kf is 1.86°C/m.
A solution prepared by dissolving 513 mg of a sugar (a molecular compound and a nonelectrolyte) in 1.00 g of water froze at -2.79 °C. What is the molar mass of this sugar? The value of Kf is 1.86°C/m. Answer in g/mol.
I do not know even the formula for this problem
A solution is prepared by dissolving 6.00 g of an unknown nonelectrolyte in enough water to make 1.00 L of solution. The osmotic pressure of this solution is 0.750 atm at 25.0 degree C. What is the molecular weight (g/mol) of the unknown solute?
Il see Periodic Table See Hint A solution prepared by dissolving 90.0 mg of a sugar (a molecular compound and a nonelectrolyte) in 1.00 g of water froze at -0.930°C. What is the molar mass of this sugar? The value of Kris 1.86°C/m. g/mol
A solution of MgCl2 is prepared by dissolving 14.5 g of the solute in enough water to make 750.0 mL of solutions. What is the molarity of the Mecly solution AND what is the molarity of the anion in this solution? 0.203 M, 0.203 M 0.0444 M.0.0888M 2.03 M, 4.06 M 0.203 M, 0.406 M
6. A 1.07 mg sample of a compound was dissolved in 78.1 mg of camphor. The resulting solution melted at 176.0 C. What is the molecular mass of the compound? The melting point of pure camphor is 179.5 C. The freezing-point-depression constant for camphor Kf is 40.0 C/m. 7. A solution is prepared by dissolving 5.88 g of an unknown nonelectrolyte in enough water to make 0.355 L of solution. The osmotic pressure of the solution is 1.21 atm at...
When 10.0 mg of sucrose is dissolved in enough water to make 100.0 mL of solution at 25.00 °C, an osmotic pressure of 5.43 mmHg is measured. What is the molar mass of sucrose? Show your work, and provide your answer in g/mol.