Can you help explain to me if the concentration and molarity of acetic acid in vinegar remains the same during its shelf life in the kithcen or does it change? I understand that it does not technically expire and it has an indefinite shelf life, but does the concentration and molarity change? If so, how. If it doesn't, why not? What is the molarity/concentration of acetic acid to begin with??

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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.