The partial pressure of O2O2 in air at sea level is 0.21 atmatm . The solubility of O2O2 in water at 20 ∘C∘C , at 1 atmatm gas pressure, is 1.38×10−3 M1.38×10−3 M   Question A) Using Henry's law and the data in the introduction, calculate the molar concentration of O2O2 in the surface water of a mountain lake saturated with air at 20 ∘C∘C and an atmospheric pressure of 675 torrtorr . Express the molar concentration to two significant figures.

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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.