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Author Question: We wish to lower the freezing point of the water in an automobile radiator to -40 C. The total mass ... (Read 61 times)

Arii_bell

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on: Jul 8, 2021
We wish to lower the freezing point of the water in an automobile radiator to -40 °C. The total mass of water present is 12.0 kg. For which one of the following compounds would we have to use the greatest mass of solute to achieve this? You may assume that Kf for water = -1.86 °C/m and that all ionizable solutes are completely ionized with unit activity even at this high concentration.
◦ AlF3 (M.W. = 84 g/mol)
◦ C2H5OH (M.W. = 46 g/mol)
◦ CaCl2 (M.W. = 111 g/mol)
◦ C3H6(OH)2 (M.W. = 76 g/mol)
◦ NaCl (M.W. = 58.5 g/mol)
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by Arii_bell on Jul 8, 2021

whitcassie

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Reply #1 on: Jul 8, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Arii_bell

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it

raenoj

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Reply 3 on: Yesterday
Wow, this really help

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