A solution is prepared by dissolving 4.90 g sodium chloride in 225.0 g of water. The density of the resulting solution is 1.33 g/mL. Determine the osmotic pressure (in atm) of this solution at 25.0 oC.
A solution is prepared by dissolving 4.90 g sodium chloride in 225.0 g of water. The...
(b) 150 mL of solution is prepared by dissolving 1.20 g of sodium c hloride, NaCI in enough water at 30 C. Given osmotic pressure is 2.20X102 atm. Determine the average molar mass of the NaCI.
A 115.3 g sodium chloride solution(density =1.05 g/mL) was prepared by dissolving 15.3 g of NaCl in 100.0 mL of water (density = 1.00 g/mL.) calculate the % of M/M, % M/V, and molarity of this in NaCl solution
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)?
An aqueous solution is made by dissolving sodium chloride in 2.08 mL of water. The vapor pressure of the solution at 30 °C is 25.7 torr. The vapor pressure of pure water at this temperature is 31.8 torr. How many grams of sodium chloride were added to the water to make the solution? The density of water at 30 °C is 0.99567 g/cm3.
A solution is made by dissolving 5.61 g of a new polymer in enough water to make 260 mL of solution. At 25.0 oC, the osmotic pressure of the solution is 0.174 atm. What is the molar mass of the polymer in g/mol? (Use the E symbolism. e.g., 3123 would be 3.123E3 with 3 significant figures - i.e., 2 after the decimal point.)
Question 17 A solution is prepared by dissolving 45 g sodium carbonate, Na2CO3, in enough water to make 200 mL of solution. If the density of the solution is 1.1094 g/mL, what is the % mass of the solution? Question 18 Calculate the molarity of a 4.628 m solution of Sr(NO3)2 in H2O. The density of this solution is 1 g/mL Include units. Question 19 What is the molarity of a sodium chloride solution prepared by diluting 2.1 mL of...
A solution is prepared by dissolving 44.3 g cesium chloride in 60.0 g water. The volume of the solution is 63.3 mL. Calculate the mole fraction of cesium chloride.
Calculate the theoretical freezing point of a solution prepared by dissolving 25.0 g of the strong electrolyte potassium chloride (KCl) in 150.0 mL of water. You may assume the density of water is 1.00 g/mL and the freezing point of water is 0.00 °C.
A solution is prepared by dissolving 63.4 g cesium chloride in 60.0 g water. The volume of the solution is 63.3 mL Calculate the molality of the CsCl solution. m CsCl
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?