
2. (10 points) A solution at T - 25 °C is formed by dissolving 4.38 g...
A solution is prepared by dissolving 78 0 g of glucose (C6H1206 ) in 150 g of water. The final volume is 228 ml Calculate the Molarity (MM of glucose is 180 18 g/mol and MM of water is 18.02 g/mol) For units do not use fractional units like g/mol or g/mL QUESTION 23 A solution is prepared by dissolving 78.0 g of glucose (C6H1208) in 150 g of water. The final volume is 228 ml Calculate the Molality (MM...
Question 2 0/1 pts A solution was prepared by dissolving 8.03 g of (NH4)2SO4 (MW = 132.14 g/mol; specific volume = .565 ml/g) in 35.0 ml of water. The final volume of the solution is __ml. Question 3 0/2 pts A solution was prepared by dissolving 8.03 g of (NH4)2SO4 (MW = 132.14 g/mol; specific volume = .565 ml/g) in 35.0 ml of water. The concentration of (NH4)2SO4 in the solution is ___%(w/v).
A solution was made by dissolving 5.80 mg of hemoglobin in water to give a final volume of 1.00 mL. The osmotic pressure of this solution was 2.22×10-3 atm at 25.0°C. Calculate the molar mass of hemoglobin, which is a molecular compound and a nonelectrolyte. = g/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 saturated solution is made by dissolving 0.327 g of a polypeptide (a substance formed by joining together in a chainlike fashion some number of amino acids) in water to give 1.70 L of solution. The solution has an osmotic pressure of 4.19 torr at 26 °C. What is the approximate molecular mass of the polypeptide?
A solution is prepared by dissolving 25.0g of CaCl2 in 275 mL of water. Water has a density of 1.0g/mL.The solution has a final volume of 279 mL. (A) What is the total solute molality? (B) What is the freezing point of the solution? Assume ideal behavior. (C) What is the osmotic pressure of the solution at 25 C?
What is the osmotic pressure of a solution made by dissolving 50.0 g of glucose, C6H12O6, in enough water to form 475.0 mL of solution at 32.0 ∘C ?
What is the osmotic pressure of a solution made by dissolving 75.0 g of glucose, C6H12O6, in enough water to form 500.0 mL of solution at 45.0 ∘C ?
What is the osmotic pressure of a solution made by dissolving 25.0 g of glucose, C6H12O6, in enough water to form 800.0 mL of solution at 10.0 ∘C ?
What is the osmotic pressure of a solution made by dissolving 70.0 g of glucose, C6H12O6, in enough water to form 150.0 mL of solution at 9.00 ∘C ?