Question

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
• 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 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

• 1. The normal (at 760 mmHg, or 1 atm) boiling point of water is 100°C. What...

1. The normal (at 760 mmHg, or 1 atm) boiling point of water is 100°C. What mass of glucose (C6H202) would you have to dissolve in 1000 g of water to decrease the vapor pressure at 100°C by 1%? Assume that water follows Raoult's law. M(H2O) = 18.02 g/mol, M(C6H1206) = 180.2 g/mol. (10 pts) 2. What is the normal boiling point of such a solution? Assume ideal behavior. The ebullioscopic (boiling-point elevation) constant of water is Kp = 0.512...

• The boiling point of an aqueous 1.83 m (NH4)2SO4 (molar mass = 132.15 g/mol) solution is 102.5°C. Determine the value of...

The boiling point of an aqueous 1.83 m (NH4)2SO4 (molar mass = 132.15 g/mol) solution is 102.5°C. Determine the value of the van't Hoff factor for this solute if the Kb for water is 0.512°C/m. Answer's 2.7 but I have no idea how to solve for this, can someone show me how to solve with LOTS of steps? Thanks.

• 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. (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

• An aqueous sucrose (C12H22O11) solution of unknown concentration is found to have a freezing point of...

An aqueous sucrose (C12H22O11) solution of unknown concentration is found to have a freezing point of –0.912°C. What is the normal boiling point and the partial pressure (in torr) of water at 25°C of this solution? Kb (H2O) = 0.51°C/m; P°(H2O) = 23.800 torr at 25°C.

• An aqueous sucrose solution freezes at -0.210 degree C. Calculate the normal boiling point and the...

An aqueous sucrose solution freezes at -0.210 degree C. Calculate the normal boiling point and the molality of an aqueous glucose solution having the same vapor pressure. Assume ideal solution behavior and kf and kb for water are 1.86 and 0.52 K-kg/mol, respectively.

• 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