law of mass action

noun

Medical Definition of law of mass action

: a statement in chemistry: the rate of a chemical reaction is directly proportional to the molecular concentrations of the reacting substances

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“Law of mass action.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/law%20of%20mass%20action. Accessed 10 Jul. 2020.

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