chem

posted by .

A solution prepared by dissolving 3.00 grams of ascorbic acid (vitamin C, C6H8O6), in
50.0 grams of acetic acid has a freezing point that is depressed by T = 1.33 oC below that of
pure acetic acid. What is the value of the molar freezing point-depression constant for acetic acid?

  • chem -

    mols ascorbic acid = grams/molar mass
    m = mols/kg solvent

    Then 1.33 = Kf*m
    Substitut for m and solve for Kf.

  • chem -

    ^ but what about the i?

  • chem -

    I assume the problem expects you to use i = 1.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    Five (5.00) grams of glucose, C6H12)6, is dissolved in 500.0 grams of acetic acid. What is the new freezing point and boiling point for the solution?
  2. chemistry... please help!

    Pure glacial acetic acid HC2H3O2 has a freezing point of 16.62 degrees C. Its freezing point depression constant is Kf=3.57 Cm^-1. A solution was made by taking 9.755 g of an unknown non-electrolyte and dissolving it in 90.50 g of …
  3. Chemistry

    Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25°C. Calculate the molarity of a solution of acetic acid made by dissolving 10.00 mL of glacial acetic acid at 25°C in enough water to make …
  4. Chemistry

    Please check my answers. 1. Using the equations, IO3- +5I- + 6H+ -> 3I2 + 3H2O C6H8O6 + I2 -> C6H6O6 + 2I- + 2H+ how many equivalents of IO3- are required to produce enough I2 to oxidize one equivalent of ascorbic acid?
  5. chemisrty

    Q1) A solution of ascorbic acid (C6H8O6, Formula mass = 176 g/mol) is made up by dissolving 80.5 g of ascorbic acid in 210 g of water, and has a density of 1.22 g/mL at 55 oC. Calculate the following: a) the mass percentage of ascorbic …
  6. Chemistry

    A chemist wants to be a supercook and wants to create 8%(m/v) acetic acud solution to be "extra strength" vinegar. if pure acetic acid Is a liquid density of 1.049 g/ml. how many ml of acetic acid should be dissolved to male 500 ml …
  7. Chemistry help!!

    A chemist wants to be a supercook and wants to create 8%(m/v) acetic acud solution to be "extra strength" vinegar. if pure acetic acid Is a liquid density of 1.049 g/ml. how many ml of acetic acid should be dissolved to male 500 ml …
  8. Chem

    Dissolving 3g of ascorbic acid in 50g of acetic acid lowers the freezing point of acetic acid by 1.33degreesC. What is the molecular mass of ascorbic acid?
  9. urgent i need help within an hour!

    Ascorbic acid (vitamin C, C6H8O6) is a water-soluble vitamin. A solution containing 83.3 g of ascorbic acid dissolved in 210. g of water has a density of 1.23 g/mL at 55°C Calculate the molarity of ascorbic acid in this solution. …
  10. Chemistry

    Pure acetic acid, known as glacial acetic acid, is a liquid with a density of 1.049 g/mL at 25°C. Calculate the molarity of a solution of acetic acid made by dissolving 35.00 mL of glacial acetic acid at 25°C in enough water to make …

More Similar Questions