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Author Question: The term "proof" is defined as twice the percent by volume of pure ethanol in solution. A solution ... (Read 114 times)

mmmmm

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on: Nov 5, 2023

Question 1

The concentration of nitrogen in water at 25°C was determined to be 7.2 × 10–6 M. Calculate the partial pressure of nitrogen at the surface of the water in mmHg.  The Henry's law constant for nitrogen gas at 25°C is 6.8 × 10–4 mol/L·atm?


Question 2

The term "proof" is defined as twice the percent by volume of pure ethanol in solution. A solution that is 95% ethanol is 190 proof. What is the molarity of ethanol in a 92-proof ethanol/water solution? (Given: density of ethanol = 0.80 g/cm3; density of water = 1.0 g/cm3)
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by mmmmm on Nov 5, 2023

heathercab

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Reply #1 on: Nov 5, 2023
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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mmmmm

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Reply 2 on: Nov 5, 2023
:D TYSM

brbarasa

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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