Asked by Anonymous

Anthraquinone contains only carbon, hydrogen, and oxygen and has an empirical formula os C7H2O. The freezing point of camphor is lowered by 22.3 C when 1.32 g anthraquinone is dissolved in 11.4 g camphor. Determine the molecular formula of anthraquinone
Answered by Anonymous
of* not os
Answered by DrBob222
delta T = Kf*molality
Solve for molality.

molality = mols/kg solvent
You know molality from above and kg solvent is 0.0114; solve for mols.

moles = grams/molar mass
You know mols and grams, solve for molar mass.
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