ACIDS, BASES, BUFFERS
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| Arrhenius acid | show 🗑
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| Arrhenius base | show 🗑
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| show | donate H
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| Bronsted and Lowry base | show 🗑
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| show | accept pair of electrons
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| Lewis base | show 🗑
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| Strong acid... | show 🗑
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| Strong base... | show 🗑
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| show | do NOT necessarily have strong c.b.
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| pH + pOH= | show 🗑
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| Strong acid / base has ______ dissociation because conjugate species is ______. | show 🗑
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| show | partial / fairly stable
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| show | original concentration of acid / base
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| Strong acid: 0.01M H = | show 🗑
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| Relate Ka, pKA for strong acid | show 🗑
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| show | larger Kb, smaller pKb, stronger base
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| pH > pKa | show 🗑
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| show | protonated
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| amphoteric vs. ampipathic | show 🗑
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| Why is Ka so larger for strong acids? | show 🗑
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| Shortcut equation to determine pH for weak acid / base reagent? | show 🗑
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| Henderson - Hasselbalch Equation | show 🗑
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| Where in graph is buffer most important? | show 🗑
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| What characteristics for 1/2 E.P. for titration of acid with strong base? | show 🗑
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| Equivalence point | show 🗑
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| show | 100 % A-
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| What is a good buffer? | show 🗑
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| show | halogen size and bond length
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| For haloacids, within a period, what dictates acid strength? | show 🗑
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| show | double bonded oxygens are EWG making electron deficient
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| show | lewis
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| Nonmetal hydroxide is a _____ acid. Metal hydroxide is a _____ base. | show 🗑
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| show | acid molarity * number of protons
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| Which proton removed in a polyprotic acid is always the most acidic? | show 🗑
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| show | NO --> equally dilutes weak acid and conj. base
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| show | weak acid and weak conj. base
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| show | 10:1 (in favor of either)
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| show | relatively constant pH through resisting changes caused by titration
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| show | the desired pH of the solution
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| base + acid = | show 🗑
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| show | 7
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| show | < 7
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| strong base + weak acid, pH = | show 🗑
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| Does a strong acid + conj. base create a buffer? | show 🗑
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| show | 1. weak acid + conj. base
2. weak base + conj. acid
3. weak acid + strong base
4. weak base + strong acid
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| All acid/base rxns produce salt. T / F | show 🗑
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| show | sigmoidal
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| show | near E.P.
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| For strong / weak titrations, where does rapid change occur? | show 🗑
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| show | to calculate pH for buffers
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| What does the pH of a solution depend on? | show 🗑
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| show | lip-o-weakeness curves
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| Does the E.P. for a strong acid / base ever change? | show 🗑
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| What are the strong acids? | show 🗑
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| What are strong bases associated with? | show 🗑
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| ionization of water Kw = | show 🗑
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| Formula for pH | show 🗑
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| What does pH for pure water = ? | show 🗑
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| Is CH3COONa the salt of a weak acid or base? | show 🗑
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| Is NH4Cl the salt of a weak acid or base? | show 🗑
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| show | - log Ka
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| pKb = | show 🗑
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| When acid = conj. base for a buffer, what else is equal? | show 🗑
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| When base = conj. base for a buffer, what else is equal? | show 🗑
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| pKa + pKb = | show 🗑
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| When solution is low pH, indicator is in which form? | show 🗑
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| show | deprotonated
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| At 1/2 E.P., how much of reagent has been titrated? | show 🗑
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| Going from a pH = 1 to pH = 2, means to go from 0.1 to? | show 🗑
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| show | 1
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| show | pKa of indicator
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| A weaker acid needs a stronger / weaker base to abstract H? | show 🗑
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| show | weaker or stronger base can work
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| show | Group I / Group 2 + hydroxides
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| Do metal ligands act as lewis acids or bases? | show 🗑
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| Are all Arrhenius acids and bases also BL acids and bases? | show 🗑
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| show | GENERALLY no with acids / bases
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| Are the hydrogens on NH4+ acidic? NH3? | show 🗑
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| show | compound can lose a hydrogen and leave behind a stable compound
--> react with water to produce hydronium
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| Are negative ions lewis acids or bases? | show 🗑
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| Are positive cations lewis acids or bases? | show 🗑
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| show | NO / YES
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| What type of compounds are lewis acids? | show 🗑
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| Every dilution by a factor of 10 increases pH by? | show 🗑
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| To form a conjugate base... To form a conjugate acid... | show 🗑
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| Do weak acids/bases necessarily have strong conjugates? | show 🗑
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| show | stronger than hydronum / weaker than hydronium
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| What are the strong bases from group 2? | show 🗑
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| show | a factor of 10
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| Is hydride or hydroxide ion stronger base? | show 🗑
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| show | -left
2H2O --> H3O + OH
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| show | 15.74
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| What is the Kw for water? | show 🗑
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| show | weaker
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| What do you need to consider with dilute solution? | show 🗑
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| Which cations do not form weakly acidic solutions in water? | show 🗑
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| amphiprotic | show 🗑
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| show | small and greater charge cation
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| show | at E.P.
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| Does pH = 7 at the E.P. for strong/weak titrations? | show 🗑
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| show | compounds that do not dissociate
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| Does an acid dissociate more or less in more concentrated solutions? | show 🗑
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| show | increase
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| show | base that is stronger than OH-
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| Are metal hydrides basic or acidic? | show 🗑
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| Are nonmetal hydrides basic or acidic? | show 🗑
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| For strong acids, the concentration of dissociated H+ is the same as? | show 🗑
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| show | mass of acid/base necessary to produce or consume one mole of protons
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| Does adding a small amount of water to a dilute, buffered solution effect the pH? | show 🗑
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| show | look at electronegativity of central atom
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| How to choose indicator for titration? | show 🗑
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| Does a more concentrated acid have a lower or higher pH? | show 🗑
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| show | H+
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