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A sample of pure t-butyl alcohol weighing 7.512 g was found to have a freezing point of 24.7 °C. When 0.662 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 22.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl %3D alcohol and i = 1.). %3D AT = I °C (Answer to 1 decimal place) molality of t-butyl alcohol = (Answer to 4 decimals) %3D m molar mass = g/mol (round answer to 2 sig figs)

A sample of pure t-butyl alcohol weighing 7.512 g was found to have a freezing point of 24.7 °C. When 0.662 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 22.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl %3D alcohol and i = 1.). %3D AT = I °C (Answer to 1 decimal place) molality of t-butyl alcohol = (Answer to 4 decimals) %3D m molar mass = g/mol (round answer to 2 sig figs)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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了 * 00 A sample of pure t-butyl alcohol weighing 7.512 g was found to have a freezing point of 24.7 °C. When 0.662 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 22.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol and i = 1.). %3D °C (Answer to 1 decimal place) I molality of t-butyl alcohol = (Answer to 4 decimals) %3D molar mass = g/mol (round answer to 2 sig figs) Next acBook BB8 DD F5 F6 F 8 $ % %23 3. R F > gE command
Transcribed Image Text:了 * 00 A sample of pure t-butyl alcohol weighing 7.512 g was found to have a freezing point of 24.7 °C. When 0.662 g of an unknown compound X was added to the t-butyl alcohol, the mixture had a freezing point of 22.3 °C. Calculate the molar mass of compound X. (Kf = 12.8 °C/molal for t-butyl alcohol and i = 1.). %3D °C (Answer to 1 decimal place) I molality of t-butyl alcohol = (Answer to 4 decimals) %3D molar mass = g/mol (round answer to 2 sig figs) Next acBook BB8 DD F5 F6 F 8 $ % %23 3. R F > gE command
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