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20 Cards in this Set
- Front
- Back
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H3O+
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hydronium ion
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OH-
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hydroxide ion
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the product of the molar concentrations of H3O+ and OH- ions in pure water
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ion‐product of water (Kw)
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results in formation of ions
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dissociation
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every molecule added to water leads to the formation of a hydronium ion
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strong
acid |
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bases that are completely dissociated in water
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strong base
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hydronium ion concentration
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pH
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hydroxide ion concentration
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pOH
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an acid that undergoes incomplete dissociation in aqueous solution; one that has a small dissociation constant
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weak acid
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a base that undergoes incomplete dissociation in aqueous solution; one that has a small dissociation constant
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weak base
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an equilibrium constant for the dissociation of a weak acid
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acid‐dissociation constant (Ka)
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an equilibrium constant for the dissociation of a weak base
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base‐dissociation constant (Kb)
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any substance that can donate a proton
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Brønsted‐Lowry definition of acid
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acids are described as..
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proton acceptor
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bases are described as..
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proton donor
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all acids with two or more dissociable protons
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polyprotic acid
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an aqueous solution containing a bronsted-lowry acid with its conjugate base
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buffer
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pH= pKa + log (proton acceptor/proton donor)
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Henderson‐Hasselbalch equation
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N=equivalents acid/L
= (mole acid/L)(moles dissociable H+/mole acid)) |
normality
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any substance that can accept a proton
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Brønsted‐Lowry definition of base
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