pH between 1-6.9999999 - acid has this pH, pH between 8-14 - base has this pH, an acid turns this color on the pH scale - red/pink, a base turns this color - blue/purple, a neutral substance is this pH scale - green, H+ - hydrogen ion, OH- - hydroxide anion, Ka - acid dissociation constant, HCl - hydrochloric acid, CuOH2 - copper hydroxide, strong acid, weak acid,

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