What is the freezing point of 0.130 m urea in water?
What is the molar mass of urea if the freezing point of a solution containing 15g of urea in 100g of naphthalene is 64.5C? (freezing point of pure naphthalene is 80.6)
What is the freezing point of a solution that contains 22.5 g of urea, CO(NH2)2, in 205 mL water, H2O? Assume a density of water of 1.00 g/mL.
Wha is the freezing point of a solution of 10.5g of urea in 159 g of water at 45.0 C
7. What is the mole fraction of urea, CH4N2O, in an aqueous solution that is 46% urea by mass? 8. What volume of a 0.850 M solution of CaCl2 contains 1.28 g of solute? 9. The volume of a 27.0% (by mass) solution is 162.9 mL. The density of the solution is 1.128 g/mL. What is the mass of solute in this solution? 10. Concentrated sodium hydroxide is 19.4 M and has a density of 1.54 g/mL. What is the...
what is the freezing point and boiling point of 1.5 m ethylene glycol in water? ( kf=1.86C/m, kb=0.51C/m)
What is the expected freezing point of a 0.0750 m solution of LiBr in water? (Kf for water is 1.86 °C/m.)
if the freezing point depression constant for water is 1.83°C kg/m, calculate the freezing point for a 0.752 m sugar solution Type your answer..
If the freezing point depression constant for water is 1.90 °C kg/m, calculate the freezing point for a 0.801 m aqueous sugаr solution Type you answer
17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of magnesium chloride in 86.59 g of water? The freezing-point depression constant of water is 1.86 °CIm Answer: 18 Marks: 1 What is the freezing point of water made by dissolving 16.31 g of sodium chloride in 93.18 g of water? The freezing-point depression constant of water is 1.86 °C/m. Answer 19 Marks: 1 What is the freezing point of water made by dissolving 46.18...
6) What is the expected freezing point of a 0.50 m solution of Na2CO3 in water? Kt for water is 1.86°C/m. A) -2.8°C B) -0.93°C C) -6.5°C D) -1.9°C