Asked by zainab
hen 9.3 g of an unknown non-electrolyte is dissolved in 50.0 g of benzene, the boiling point the boiling point increased to 81.19 degrees C from 80.1 degrees C. If the Kbp of the solvent is 2.53 K/m, calculate the molar mass of the unknown solute.
The answer is 432. I don't know how
The answer is 432. I don't know how
Answers
Answered by
DrBob222
delta T = Kb*molality
Solve for molality
molality = moles/kg solvent
Solve for moles.
moles = grams/molar mass
solve for molar mass.
Solve for molality
molality = moles/kg solvent
Solve for moles.
moles = grams/molar mass
solve for molar mass.
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