Posted by Jacqueline on Monday, October 27, 2008 at 6:15pm.
delta T = Kb*molality.
Step 1. Calculate molality from the above.
Step 2. Remember that molality = # mols/kg solvent. Calculate # mols from that.
Step 3. Use # mols = g/molar mass to calculate molar mass.
Post your work if you get stuck.
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