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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Why mass of glucose (c6h12o6) should dissolve in 11.5 kg of water to obtain a solution with a freezing point of -5.7 degrees c
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Step 1
Given
Mass of water = 11.5 Kg
Freezing point of solution = -5.7℃
Formula of Solute (Glucose)= C6H12O6
Therefore molar mass of Glucose = (6×12 ) +(12×1) + (6×16) gram /mole
=180 gm/ mole
Mass of Glucose =?
Kf (molal depression constant ) for water = 1.86 kg℃ / mol
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- Determine the freezing point of an aqueous solution made by dissolving 75.0 g glucose((C6H12O6) in 100. G water.arrow_forwardAt what temperature (in °C) would a 0.00450 M solution of glucose in water exhibit an osmotic pressure of 0.150 atm?arrow_forwardIf 5.1 g of glucose, C6H12O6, is dissolved in 0.99 L of water at 303 K, what osmotic pressure, in atm, will the solution exhibit?arrow_forward
- The freezing point of CCI4 is -22.3°C and the freezing point depression constant is 29.8 °C/m. If a solution of C5H12 in CCI4 freezes at -37.6°C, what is the molality of this solution? O 0.513 0.722 O 2.01 O 5.01 O 1.26arrow_forwardAt what temperature (in °C) would a 0.00610 M solution of glucose in water exhibit an osmotic pressure of 0.150 atm?arrow_forwardAt what temperature (in °C) would a 0.00390 M solution of glucose in water exhibit an osmotic pressure of 0.150 atm?arrow_forward
- At what temperature (in °C) would a 0.00570 M solution of glucose in water exhibit an osmotic pressure of 0.150 atm?arrow_forwardA 83.5 g sample of a nonelectrolyte is dissolved in 250.1 g of water. The solution is determined to have a boiling point of 102.3 °C. What is the molar mass of the compound? (Kb for water is 0.510 °C/m).arrow_forwardThe freezing point of ethanol CH3 CH₂OH is -117.30 °C℃ at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is saccharin. How many grams of saccharin, C7H5NO3S (183.2 g/mol), must be dissolved in 278.0 grams of ethanol to reduce the freezing point by 0.300 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf(°C/m) Water H₂O 0.512 Ethanol CH3 CH₂OH 1.22 Chloroform CHCl3 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH₂ OCH₂ CH3 2.02 Mass= || g 1.86 1.99 5.12arrow_forward
- What is the molality of a solution consisting of 9.265 mass % of C2H5OH dissolved in water?arrow_forwardAt what temperature (in °C) would a 0.00510 M solution of glucose in water exhibit an osmotic pressure of 0.150 atm?arrow_forwardCalculate the molality of 23.0 g of glucose in 2.40 kg of water.arrow_forward
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