Asked by Evans

A 4g sugar cube(sucrose: C12H12O11) is dissolved in a 350ml teacup of 80 degree water. what will be the molality of the sugar solution.
Answered by Maya
0.021 mol/kg
Answered by DrBob222
molality = m = mols/kg solvent
mols sucrose = grams/molar mass
You don't know kg solvent. volume is 350 mL, look up density of water at 80 C, then mass = volume x density and convert mass in grams to kg.

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