Asked by Sarah
Which would be more effective in lowering the freezing point of 500 g of water? 100 g of sucrose or 100 g of ethyl alcohol?
Answers
Answered by
DrBob222
molality = moles/kg solvent
moles sucrose = 100/molar mass sucrose.
moles ethanol = 100/molar mass ethanol.
delta T = Kf*molality
moles sucrose = 100/molar mass sucrose.
moles ethanol = 100/molar mass ethanol.
delta T = Kf*molality
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