Which of the following aqueous solutions would give rise to a greater osmotic pressure? a)  18.00 g of KCl in 375 mL of solution or 9.00 g of KF in 155 mL of solution

An aqueous solution of a certain covalent compound has a density of 1.058 g/mL, an osmotic pressure of 25.98 atm at 25.0 °C, and a freezing point of -2.66 °C. What is the molality of the solution? 1.43 in mol/kg What is the molar mass of the compound? in g/mol Evaluate

An aqueous solution of hydrofluoric acid is 30.0% HF, by mass, and has a density of 1.101 g cm³. What are the molality and molarity of HF in this solution? 70.02mol and 40.2kg O 1.499mol and 21.4kg O 5.80mol and 32.0kg O

A solution is made using 121.8 mL of acetonitrile (density 0.7766 g/mL) and 250.0 mL of water (density 1.000 g/mL). What is the molality acetonitrile in water?

An aqueous solution of a compound used in antifreeze has an osmotic pressure of 0.589 atm at 20.0°C. It is prepared by dissolving 1.14 g of the compound in enough water to make 0.750 L of solution. What is the molar mass of the antifreeze compound? O 62.1 g/mol O 124 g/mol O 82.8 g/mol O 54.4 g/mol O 4.23 g/mol

A solution is made using 164.9 mL of ethanol (density 0.7892 g/mL) and 350.0 mL of water (density 1.000 g/mL). What is the molality ethanol in water?

An aqueous solution containing 17.5 g of an unknown molecular (nonelectrolyte) compound in 100 ml of water was found to have a freezing point of -1.8 degrees celsius. Calculate the molar mass of the unknown compound.