The hydronium ion concentration in an aqueous solution at 25°C is 1.4x10-2 M. The hydroxide ion concentration is М. The pH of this solution is The pOH is

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Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.