Question

Suppose that we dissolve enough sugar in 100.0 g H2O to cause the solution to have...

Suppose that we dissolve enough sugar in 100.0 g H2O to cause the solution to have a freezing point of -3.20°C. How many grams of water must we add to the solution so that the freezing point will be - 1.00°C? For water, Kf = 1.86°C/m.

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
Suppose that we dissolve enough sugar in 100.0 g H2O to cause the solution to have...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Calculate the freezing point of a solution that contains 68.4 g of sucrose (table sugar, 342...

    Calculate the freezing point of a solution that contains 68.4 g of sucrose (table sugar, 342 g/mol) in 300. g of water. One mole of sucrose is 342 g. Kf for H2O = 1.86°C/m.

  • Will leave a thumbs up!! A) The boiling point of water is 100.0°C at 1 atmosphere....

    Will leave a thumbs up!! A) The boiling point of water is 100.0°C at 1 atmosphere. How many grams of potassium nitrate (101.1 g/mol), must be dissolved in 268.0 grams of water to raise the boiling point by 0.500°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 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 _____g potassium nitrate. B)...

  • The boiling point of water is 100.0°C at 1 atmosphere. How many grams of aluminum nitrate...

    The boiling point of water is 100.0°C at 1 atmosphere. How many grams of aluminum nitrate (213.0 g/mol), must be dissolved in 279.0 grams of water to raise the boiling point by 0.450°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 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02

  • The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 12.54 grams of chromium(II) acetate, Cr(CH3COO)2 (170.1 g/mol), in 158.2 grams of water. Use the table of boiling and freezin...

    The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 12.54 grams of chromium(II) acetate, Cr(CH3COO)2 (170.1 g/mol), in 158.2 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 The molality of the solution is m. The freezing point of the solution is °C....

  • The boiling point of water is 100.0°C at 1 atmosphere. How many grams of zinc chloride...

    The boiling point of water is 100.0°C at 1 atmosphere. How many grams of zinc chloride (136.3 g/mol), must be dissolved in 209.0 grams of water to raise the boiling point by 0.400°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 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 g zinc chloride.

  • The boiling point of water is 100.0°C at 1 atmosphere. How many grams of iron(II) iodide...

    The boiling point of water is 100.0°C at 1 atmosphere. How many grams of iron(II) iodide (309.7 g/mol), must be dissolved in 258.0 grams of water to raise the boiling 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 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 ___?___ g iron(II) iodide.

  • F. A solution was prepared by dissolving 0.800 g of sulfur S8, in 100.0 g of...

    F. A solution was prepared by dissolving 0.800 g of sulfur S8, in 100.0 g of acetic acid, HC2H3O2. Calculate the freezing point and boiling point of the solution . For the solvent, Kb = 3.08 oC/m and Kf = 3.59 oC/m.    G. Butylated hydroxytoluene (BHT) is used as an antioxidant in processed foods. (It prevents fats and oils from becoming rancid.) A solution of 2.500 g of BHT in 100.0 g of benzene had a freezing point of...

  • The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 12.31 grams...

    The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 12.31 grams of cobalt(II) acetate, Co(CH3COO)2 (177.0 g/mol), in 287.1 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 The molality of the solution is _____m. The boiling point of the solution is  °____C....

  • A solution is prepared by dissolving 52.4 g of FeCl2 in 1,098.3 g of H2O. What...

    A solution is prepared by dissolving 52.4 g of FeCl2 in 1,098.3 g of H2O. What is the freezing point of the solution in °C, assuming ideal behavior? (MM FeCl2 = 126.751 g/mol; Kf for water = 1.86 °C/m). Report your answer to 3 decimal places.

  • You dissolve a 30.0 g mixture of glucose (C 6 H 12 O 6 ) and...

    You dissolve a 30.0 g mixture of glucose (C 6 H 12 O 6 ) and NaCl in 1.00 water. The freezing point of this solution is found to be - 0.541 degrees * C . Assuming ideal behavior, what is the mass of glucose in the mixture? (Kf for water is 1.86^ C* kg/mol) ).

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT