chemistry

posted by Christina

200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound? The Kb for water is 0.51 degrees Celsius/m

  1. DrBob222

    delta T = Kb*m
    Calculate m

    moles = grams/molar mass
    calculate molar mass.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Chemistry

    Calculate the molar mass of a compound that raises the boiling point of water to 100.15oC when 40.5 g of the compound is dissovled in 500 g of water. and A mass of 41 g of an unknown nonelectrolyte is dissolved in 429 g naphthalene. …
  2. chemistry

    200. g of a nonelectrolyte is dissolved in 1.00 kg of water. the boiling point of the solution is then measured to be 101.5 degrees C. What is the molar mass of the compound?
  3. Chemistry

    Calculate the boiling point elevation of a solution made from 15.0 g of a nonelectrolyte solute and 250.0 g of water. the molar mass of the solute is 50.0 g and Kb = 0.51 degrees C/m
  4. help with molar mass in CHEMISTRY

    200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass?
  5. Chemistry

    200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass?
  6. Chemistry

    Which of the following statements about boiling points are false: A. the boiling point of 0.1 m KF(aq) is lower than the boiling point of 0.1 m ethanol(aq) B. the boiling point of a 0.5 m aqueous solution of NaOH is the same as the …
  7. Chemistry

    Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling …
  8. chemistry

    A compound was found to be composed of the following amounts of elements: 20.00% wt% C, 26.64wt% O, 46.65 wt%N, and 6.71wt%H. A 6.125 grams sample of this compound dissolved in 46.205 grams of water as a solution was found to have …
  9. Chemistry

    A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution is 103.1°C. What is the molar mass of the compound?
  10. Chemistry

    A solid nonelectrolyte with a mass of 11.32g is dissolved in 115.00g of water. The observed freezing point of the solution is-3.44 degrees C. Given Kf of water=1.86 degrees C/m, what is the molar mass of the unknown solid?

More Similar Questions