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When finding Kc, why do we ignore liquids and solids? What values do we assume the concentrations of liquids or solids to be once the reaction goes through? (ie- when we see a liquid in an equation, do we assume its molarity will be almost equal to 1 and that's why we ignore it? and why assume that it's 1?)
Solids don't have concentrations because it doesn't make sense for it to have one. Liquids/solvents in reaction generally do not change much in terms of concentration so we assume that the value stays the same and will be on both sides of the reaction so it has no effect on the equilibrium constant.
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