Ask a New Question

Asked by Anonymous

Estimate the freezing point of 150 cm3 of water sweetened with 7.5g of sucrose
(C12H11O22). (Kf for water is 1.86 K kg mol-1; density of water is 1gcm-3)
15 years ago

Answers

Answered by DrBob222
moles sucrose = grams/molar mass. Solve for moles.
molality = moles sucrose/kg solvent. Solve for molality.

delta T = Kf*molality.
solve for delta T and from there the freezing point.
15 years ago
Answered by Qiqi
6.11*10^-5 K
9 years ago

Related Questions

What is the freezing point of each solution? a)1.40mol Na2SO4 in 1750 g H2O Are these the righ... What would the freezing point be for a solution of 0.87 M aqueous ammonia? the density of this solu... What is the freezing point of a solution of AlCl3 that contains 55.0 g AlCl3 dissolved in 390 g of w... what is the freezing point of pure acetic acid being stirred and not being stirred. also at what poi... estimate the freezing point of an aqueous of 10.0 g of glucose dissolved in 500.0 g of water 11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)g... what is the freezing point of 0.05 M glucose(C6H12O6), 0.05 M NaCl, and 0.05 M MgCl2? what is the freezing point of an aqueous solution that boils at 102.1 C? Kf=1.86 Kb=0.512 102.1... b. What is the freezing point depression when 153 g of bromine is added to 100 g of benzene? Kf of b... What is the freezing point in of a 0.52 m aqueous solution of naci fp(water) = o.oo c kf (water)=1...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use