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Author Question: The vapor pressures of pure hexane and pure heptane at 25 C are 151.4 mmHg and 45.62 mmHg ... (Read 120 times)

melina_rosy

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on: Jul 8, 2021

Question 1

The solubility of CO in water at 0 °C and 1 atm CO pressure is 0.0354 mg of CO in 1 mL of water. Calculate the molarity of aqueous CO solution at 2 atm CO pressure.
◦ 1.58 × 10-3 M
◦ 6.32 × 10-2 M
◦ 1.59 M
◦ 2.53 × 10-3 M
◦ 3.16 × 10-3 M

Question 2

The vapor pressures of pure hexane and pure heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively. A solution contains 0.800 mol fraction n-hexane and 0.200 mol fraction n-heptane. What is the composition of the vapor in equilibrium with this solution at 25 °C?
◦ 80.0% hexane, 20.0% heptane
◦ 50.0% hexane, 50.0% heptane
◦ 77.0% hexane, 23.0% heptane
◦ 45.0% hexane, 55.0% heptane
◦ 93.0% hexane, 7.0% heptane
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
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Marked as best answer by melina_rosy on Jul 8, 2021

stanleka1

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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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melina_rosy

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Reply 2 on: Jul 8, 2021
Wow, this really help

phuda

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Reply 3 on: Yesterday
Gracias!

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