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Author Question: Choose the aqueous solution that has the highest boiling point. These are all solutions of ... (Read 126 times)

vicotolentino

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on: Nov 18, 2019

Question 1

A solution of methanol and water has a vapour pressure of 248 Torr. What would you predict as the mole fractions of each component, assuming ideal behaviour? The vapour pressures of methanol and water are 256 Torr and 55.3 Torr, respectively.


◦

χ

methanol = 0.960,

χ

water = 0.040
◦

χ

methanol = 0.990,

χ

water = 0.010
◦

χ

methanol = 0.940,

χ

water = 0.060
◦

χ

methanol = 0.900,

χ

water = 0.100
◦

χ

methanol = 0.910,

χ

water = 0.090

Question 2

Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable.
◦ 0.100 mol kg-1 AlCl3
◦ 0.100 mol kg-1 C6H12O6
◦ 0.100 mol kg-1 MgCl2
◦ 0.100 mol kg-1 NaCl
◦ They all have the same boiling point.
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Marked as best answer by vicotolentino on Nov 18, 2019

trampas

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Reply #1 on: Nov 18, 2019
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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vicotolentino

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Reply 2 on: Nov 18, 2019
Excellent

recede

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Reply 3 on: Yesterday
Wow, this really help

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