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b. Calculate the mass of Potassium Formate (Molar Mass: 84.12 g/mol) needed to de-ice a 3200 m long by 80 m wide runway by lowering the freezing point by 1 degree °C. Assume a 3 mm height for the intended thickness of the layer along the runway. Report your mass in metric tons and 2 decimals. (Hint: assume a van't Hoff factor of 2 for Potassium Formate). Kf=1.86°C-kg/mol, density = 0.997 g/cm³. Show your work.

b. Calculate the mass of Potassium Formate (Molar Mass: 84.12 g/mol) needed to de-ice a 3200 m long by 80 m wide runway by lowering the freezing point by 1 degree °C. Assume a 3 mm height for the intended thickness of the layer along the runway. Report your mass in metric tons and 2 decimals. (Hint: assume a van't Hoff factor of 2 for Potassium Formate). Kf=1.86°C-kg/mol, density = 0.997 g/cm³. Show your work.

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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b. Calculate the mass of Potassium Formate (Molar Mass: 84.12 g/mol) needed to de-ice a 3200 m long by 80 m wide runway by lowering the freezing point by 1 degree °C. Assume a 3 mm height for the intended thickness of the layer along the runway. Report your mass in metric tons and 2 decimals. (Hint: assume a van't Hoff factor of 2 for Potassium Formate). Kf = 1.86°C kg/mol, density = 0.997 g/cm³. Show your work.
Transcribed Image Text:b. Calculate the mass of Potassium Formate (Molar Mass: 84.12 g/mol) needed to de-ice a 3200 m long by 80 m wide runway by lowering the freezing point by 1 degree °C. Assume a 3 mm height for the intended thickness of the layer along the runway. Report your mass in metric tons and 2 decimals. (Hint: assume a van't Hoff factor of 2 for Potassium Formate). Kf = 1.86°C kg/mol, density = 0.997 g/cm³. Show your work.
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