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  3. a solution contains 10.75g of an unknown compound

A solution contains 10.75g of an unknown compound dissolved in 50.0 mL of water. (Assume a...

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Chemistry

A solution contains 10.75g of an unknown compound dissolved in50.0 mL of water. (Assume a density of 1.00 g/mL for water.) Thefreezing point of the solution is -3.38 C. The mass percentcomposition of the compound is 60.98% C, 11.94% H, and the rest isO.

-What is the molecular formula of the compound?

Express your answer as a molecular formula..

Answer & Explanation Solved by verified expert
3.6 Ratings (251 Votes)
depression in freezing point delta Tf 338 oC Freezing point depression constant for watre Kf 186 KgoCmol from google Mass of water Vdensity 50 1 50 gm 005 Kg molality m number of    See Answer
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