the boiling point elevation of a solution containing sucrose and water is .256c . The molal...
the boiling point elevation of a solution containing sucrose and water is .256c . The molal elevation constant of water is .512c/m and the molar mass of sucrose is 342 g/mol. What is the molality
Homework Answers
Add Answer to:
the boiling point elevation of a solution containing sucrose and
water is .256c . The molal...
What is the boiling point elevation of a solution containing 17.1 g of sucrose in 100.0...
What is the boiling point elevation of a solution containing 17.1 g of sucrose in 100.0 g of water? The molal elevation constant of water is 0.512°C/m and the molar mass of sucrose is 342 g/mol.
The boiling point elevation of an aqueous sucrose solution is found to be 0.58°C. What mass...
The boiling point elevation of an aqueous sucrose solution is found to be 0.58°C. What mass of sucrose (molar mass=342.30 g/mol) would be needed to dissolve in 450.0 g of water? Ký (water) = 0.512°C/m. (partial credit available) 528 g sucrose 174g sucrose 261 g sucrose 224. g sucrose 762 g sucrose
Calculate the boiling point in C) of a 4.68 m aqueous sucrose solution. The molal boiling...
Calculate the boiling point in C) of a 4.68 m aqueous sucrose solution. The molal boiling point constant for water is 0.521 °C/m. Be sure to report your answer to the correct number of significant figures and use the correct unit,
What is the freezing point and boiling point in Celsius of a solution 400 g of...
What is the freezing point and boiling point in Celsius of a solution 400 g of ethylene glycol (MW=62 g/mol) dissolved in 500 g of water? The molal freezing point depression constant for water is 1.86 C/m The molal boiling point elevation constant of water is 0.512 C/m Please explain steps
8. What is the final boiling point of a 1.25 molal solution of sugar in water?...
8. What is the final boiling point of a 1.25 molal solution of sugar in water? The Kb for water is 0.512 C/m. (For sugar i = l.) 9. A solution was prepared by dissolving 0.52 mol hexane into 400g CCl4. What is the change in freezing point of this solution? Carbon tetrachloride has a freezing point depression constant of 29.8 Cm,and freezes at-23。. 10. A solution was prepared by dissolving 0.26 moles of ethanol (C2HsOH) into 750g Diethyl ether....
What is the vapor pressure for an aqueous sucrose (C12H22011) solution containing 34.2 g of sucrose...
What is the vapor pressure for an aqueous sucrose (C12H22011) solution containing 34.2 g of sucrose and 180 g of water (H2O) at 25°C? Pº(H20) at 25°C 23.8 mm Hg Molar mass of 342 g/mol sucrose Molar mass of 18.0 g/mol water 23.8 mm Hg O 0.23 mm Hg 23.6 mm Hg 13.2 mmHg
4. Freezing Point Depression and Boiling Point Elevation Problems-7.5 pts Calculate the freezing point depression and...
4. Freezing Point Depression and Boiling Point Elevation Problems-7.5 pts Calculate the freezing point depression and the boiling point elevation of a solution containing 17.l g of sucrose, CiH:Oi and 200. g of water. What are the actual freezing and boiling points of the solution? New freezing point New boiling point =
4. (6 points) The boiling point of an aqueous solution composed of 15.2 g of an...
4. (6 points) The boiling point of an aqueous solution composed of 15.2 g of an unknown molecular compound in 78.g of water is 108.3. C. What is the molar mass of the unknown compound? Kh for water is 5.21 °C/m. ivant noff factor ^ Th= i kbm AT6= boiling point elevat AT6= boiling point elevation met toolrood Kosmoral boiling point elevation constant (5.210/m! m= solution morarity. MW=mol = 15.2g 108.30 = 1(5.2104m) 20.78 = 48x10 m 108.3 108.3
7. Consider the expression of Raoult's law, Psolution = Xsolvent ·P⁰solvent . Here, Psolution = vapor...
7. Consider the expression of Raoult's law, Psolution = Xsolvent ·P⁰solvent . Here, Psolution = vapor pressure of the solution, P⁰solvent = vapor pressure of pure solvent, Xsolvent = mole fraction of the solvent. What is the mole fraction of solvent in a solution with a vapor pressure of 47.90 torr, if the vapor pressure of the pure solvent is 52.82 torr? 8. The boiling point of a solution increases directly as a function of the number of moles of...
A solution of water (Kf=1.86 ∘C/m) and glucose freezes at − 2.35 ∘C. What is the...
A solution of water (Kf=1.86 ∘C/m) and glucose freezes at − 2.35 ∘C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 ∘C. Express your answer to three significant figures and include the appropriate units. View Available Hint(s) m m m = nothing nothing Submit Boiling points and molality Similar to the freezing-point depression, the boiling-point elevation ΔTb of a solution is quantitatively related to the molality m and...
The boiling point elevation of an aqueous sucrose solution is found to be 0.58°C. What mass of sucrose (molar mass=342.30 g/mol) would be needed to dissolve in 450.0 g of water? Ký (water) = 0.512°C/m. (partial credit available) 528 g sucrose 174g sucrose 261 g sucrose 224. g sucrose 762 g sucrose
Calculate the boiling point in C) of a 4.68 m aqueous sucrose solution. The molal boiling point constant for water is 0.521 °C/m. Be sure to report your answer to the correct number of significant figures and use the correct unit,
8. What is the final boiling point of a 1.25 molal solution of sugar in water? The Kb for water is 0.512 C/m. (For sugar i = l.) 9. A solution was prepared by dissolving 0.52 mol hexane into 400g CCl4. What is the change in freezing point of this solution? Carbon tetrachloride has a freezing point depression constant of 29.8 Cm,and freezes at-23。. 10. A solution was prepared by dissolving 0.26 moles of ethanol (C2HsOH) into 750g Diethyl ether....
What is the vapor pressure for an aqueous sucrose (C12H22011) solution containing 34.2 g of sucrose and 180 g of water (H2O) at 25°C? Pº(H20) at 25°C 23.8 mm Hg Molar mass of 342 g/mol sucrose Molar mass of 18.0 g/mol water 23.8 mm Hg O 0.23 mm Hg 23.6 mm Hg 13.2 mmHg
4. Freezing Point Depression and Boiling Point Elevation Problems-7.5 pts Calculate the freezing point depression and the boiling point elevation of a solution containing 17.l g of sucrose, CiH:Oi and 200. g of water. What are the actual freezing and boiling points of the solution? New freezing point New boiling point =
4. (6 points) The boiling point of an aqueous solution composed of 15.2 g of an unknown molecular compound in 78.g of water is 108.3. C. What is the molar mass of the unknown compound? Kh for water is 5.21 °C/m. ivant noff factor ^ Th= i kbm AT6= boiling point elevat AT6= boiling point elevation met toolrood Kosmoral boiling point elevation constant (5.210/m! m= solution morarity. MW=mol = 15.2g 108.30 = 1(5.2104m) 20.78 = 48x10 m 108.3 108.3
Most questions answered within 3 hours.
-
. What is a Container? What advantages and disadvantages a
Container brings when compared with Virtual...
asked 1 minute from now -
Design and Analysis by Sharon Lohr, 2nd editon... Textbook
Question 28
In an SRSWR, a population...
asked 19 minutes ago -
1. a. Which carbon in pentylmagnesium bromide has more carbanion
character ?
b. Draw a picture...
asked 19 minutes ago -
A spring of spring constant k = 400 N/m is compressed .300 m by
a 2.00...
asked 14 minutes ago -
Take a complex system of your choice (hardware / software). For
hardware, choose a system that...
asked 20 minutes ago -
what is the raw and adjusted retention times for
Cyclohexane,Toluene,Acetone and 1- and 2- Propanol
In...
asked 22 minutes ago -
understand multicast and retransmission
asked 54 minutes ago -
why
could two students obtain different values for the same measured
objects?
asked 54 minutes ago -
1.
A 40.00 mL sample of nitric acid required 18.22 mL of 0.9885 M
calcium hydroxide...
asked 53 minutes ago -
An
AC voltage source is connected across a 100 Ohm resistor. If the
source is set...
asked 1 hour ago -
You have decided to start saving money for your future. What is
the future value of...
asked 1 hour ago -
If 0.5332 liters of 1.2235 M lithium hydroxide reacts with
excess aqueous chromium (II) nitrate, how...
asked 1 hour ago