Henry's law may be expressed in different ways and with different concentration units, resulting in different values for the Henry's law constants. If mole fraction is used as the concentration unit, one algebraic statement of the law is: Pgas = kHXgas where k is the Henry's law constant in units of pressure, usually atm. At 25°C, some water is added to a sample of gaseous oxygen (O2) at 3.54 atm pressure in a closed vessel and the vessel is shaken until as much oxygen as possible dissolves. Then 7.88 kg of the solution is removed and boiled to expel the oxygen, yielding a volume of 0.936 L of O2(g) at 0°C and 1.00 atm. Determine the Henry’s law constant for oxygen in water based on this experiment.

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Q: % mass solvent mole fraction solute molality ppm solute 1683

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Q: A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make 100.0 mL…

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Q: What is the mole fractions of hydrochloric acid (HCI)and water in a 20% aqueous HCI solution?

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Q: A 2 L sulfuric acid solution containing 320 g of H2SO4 per liter of solution has a density of 1.329…

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Q: Calculate the mole fraction of sulfuric

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Q: [References] The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments…

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.