Determine the following (assume all ionic species 100% dissociate):a)A solution of 2.78 M M2XO3 has a density of 2.115 g/mL. Calculate its molality if the molar mass of M2XO3 is 157g/mol.b)The boiling point of an aqueous solution that was made of 795 grams of water (K = 0.51 °C/m, 18.0 g/mol) and 118g of sodium sulfate (NazSO4, 142.0 g/mol).6.When 5.15 g of a nonionic solute is dissolved in 46.70 grams of benzene (C6H6, 78.1 g/mol), the freezing point is2.37°C. Find the molar mass of this solute. The freezing point of benzene is 5.50 C and the Kf is 5.12 °C/m.Fi

Determine the following (assume all ionic species 100% dissociate): a) A solution of 2.78 M M2XO3 has a density of 2.115 g/mL. Calculate its molality if the molar mass of M2XO3 is 157 g/mol. b) The boiling point of an aqueous solution that was made of 795 grams of water (Kp = 0.51 °C/m, 18.0 g/mol) and 118 g of sodium sulfate (NazSO4, 142.0 g/mol). c) When 5.15 g of a nonionic solute is dissolved in 46.70 grams of benzene (C6H6, 78.1 g/mol), the freezing point is 2.37°C. Find the molar mass of this solute. The freezing point of benzene is 5.50°C and the Kf is 5.12 °C/m.

Determine the following (assume all ionic species 100% dissociate): a) A solution of 2.78 M M2XO3 has a density of 2.115 g/mL. Calculate its molality if the molar mass of M2XO3 is 157 g/mol. b) The boiling point of an aqueous solution that was made of 795 grams of water (Kp = 0.51 °C/m, 18.0 g/mol) and 118 g of sodium sulfate (NazSO4, 142.0 g/mol). c) When 5.15 g of a nonionic solute is dissolved in 46.70 grams of benzene (C6H6, 78.1 g/mol), the freezing point is 2.37°C. Find the molar mass of this solute. The freezing point of benzene is 5.50°C and the Kf is 5.12 °C/m.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

What is the molar mass of toluene if 0.85 g of toluene decreases the freezing point of 100. g of benzene by 0.47°C? Kf of benzene is 5.12°C/m.
What is the vapor pressure of a solution containing 10 grams CH4N2O in 150 grams H2O? (P* H2O= 71.8 mm Hg).
How do I solve this? The boiling point elevation constant for water is 0.52 C/m. A 1.34 m aqueous solution of compound X had a boiling point of 101.4C. Which of the following could be compound X? A: Na3PO4 B: KCl C: CH3CH2OH D: CaCl2 E: C6H12O6
Give me detailed Solution with explanation needed..don't give Handwritten answer
Calculate the mass percent (m/m) of a solution prepared by dissolving 57.95 g of NaCl in 171.5 g of H2O
1. What is the expected freezing point of a 0.50 m solution of Na3PO4 in water? Kf for water is 1.86°C/m.
Please don't provide handwriting solution
2. The vapor pressure of pure water at 25°C is 23.8 torr. What is the vapor pressure (torr) of water above a solution prepared by dissolving 18.0 g of glucose (a nonelectrolyte, MW = 180.0 g/mol) in 95.0 mL of water?
The normal freezing point of water, H₂O is 0.00 °C and its Kfp value is 1.86 °C/m. Assuming complete dissociation of the electrolyte, if 14.86 grams of aluminum bromide (AlBr3, 266.7 g/mol) are dissolved in 220.3 grams of water what is the freezing point of the solution? °C
A solution made by dissolving 150.0 g of an unknown compound in 425.0 mL of benzene to make a solution which has a freezing point 18.6 °C lower than that of pure benzene. Kf for benzene is 5.12 °C/m and the density of benzene is 0.877 g/mL. What was the molality of the solution? How many moles of the unknown compound were dissolved in the solution? What is the molar mass of the unknown compound?
What is the approximate concentration of sodium ions in a 0.10 M Na2CO3 solution? Assuming ideal behavior, what is the boiling point of a solution of 9.04 g of nonvolatile I2 in 75.5 g of benzene? (For benzene, Tb = 80.1oC and Kb = 2.53 oC/m) Assuming ideal solution behavior, what is the molar mass (g/mol) of a nonelectrolyte compound if a solution of 5.00 g of the compound in 25.00 g of carbon tetrachloride boils at 81.5 °C at 1 atm? (For carbon tetrachloride Tb = 76.8 °C; kb = 5.02 °C/m)
8 and 9