The Henry’s law constant (kH) for O₂ in water at 20°C is 1.28X10⁻³mol/Latm. (a) How many grams of O₂ will dissolvein 2.50 L of H₂O that is in contact with pure O₂ at 1.00 atm? (b) How many grams of O₂ will dissolve in 2.50 L of H₂O that isin contact with air, where the partial pressure of O₂ is 0.209 atm?

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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.