Enter your answer in the provided box. What mass of insulin must be dissolved in 39.0 mL of water to produce a solution with an osmotic pressure of 16.1 mmHg at 25°C? The molar mass of insulin is 5808 g/mol. answer in g.
Enter your answer in the provided box. What mass of insulin must be dissolved in 39.0...
What mass of insulin must be dissolved in 36.0 ml of water to produce a solution with an osmotic pressure of 15.9 mmhg at 25 C? the molar mass of insulin is 5808 g/mol
Enter your answer in the provided box. A solution of 1.55 g of solute dissolved in 25.0 mL of H20 at 25°C has a boiling point of 100.850°C. What is the molar mass of the solute if it is a nonvolatile nonelectrolyte and the solution behaves ideally (d of H20 at 25°C = 0.997 g/mL)? g/mol
Please help I will rate :) Enter your answer in the provided box. A 249-ml benzene solution containing 2.55 g of an organic polymer has an osmotic pressure of 8.27 mm Hg at 19°C. Calculate the molar mass of the polymer. - g/mol Enter your answer in the provided box. Calculate the molality of a 5.93 M ethanol (C2H5OH) solution whose density is 0.9307 g/mL. Ethylene glycol (EG), CH2(OH)CH2 (OH), is a common automobile antifreeze. It is water soluble and...
2 attempts left Check my work Enter your answer in the provided box. A solution of 1.15 g of solute dissolved in 25.0 mL of H20 at 25°C has a boiling point of 100.750°C. What is the molar mass of the solute if it is a nonvolatile nonelectrolyte and the solution behaves ideally (d of H20 at 25°C = 0.997 g/mL)? g/mol
3a. Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.482 g dissolved in 223.1 mL of water at 74.75 °C has an osmotic pressure of 54.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures. 3b. Calculate the required mass of an unknown nonelectrolyte (ℳ = 131.5599 g/mol) dissolved in 140.1 g of solvent that gives a solution that boils at 36.04 °C. The boiling point of the...
Enter your answer in the provided box. The formula that governs the concentration of gas dissolved in a solvent based on its pressure is given by Henry's Law: C= KP Where: C = solubility of a gas at a fixed temperature (in mol/L, M) k= Henry's Law constant (in units of mol/L • atm) P = partial pressure of the gas (in units of atm) How many grams of carbon dioxide gas is dissolved in a 290-ml can of cola...
Enter your answer in the provided box. How many grams of sucrose (C12H22O11) must be added to 677 g of water to give a solution with a vapor pressure 0.787 mmHg less than that of pure water at 20°C? (The vapor pressure of water at 20°C is 17.5 mmHg.)
3a. Calculate the required mass of an unknown nonelectrolyte (ℳ = 125.7998 g/mol) dissolved in 129.7 g of solvent that gives a solution that freezes at 1.85 °C. The freezing point of the pure solvent is 4.44 °C and its Kf value is 1.87 °C/m. Report your answer to TWO places past the decimal. 3b. Calculate the molar mass (in g/mol) of an unknown nonelectrolyte if 0.613 g dissolved in 250.3 mL of water at 19.47 °C has an osmotic...
Enter your answer in the provided box. What mass of KI is dissolved in 600.0 g of a solution that is 35.0% KI by mass? g KI KPrev 14 of 32l Next
Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in 199.2 mL of water at 49.72 °C has an osmotic pressure of 34.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures.