question archive 1) There are three ways to define acids and bases
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1) There are three ways to define acids and bases. Define Arrhenius, BronstedLowry, and Lewis acids and bases?
2) What does it mean when a substance is amphiprotic? ?
3) Give three examples of amphiprotic species. ?
4) Describe how strong acids and weak acids differ with respect to the extent to which each dissociates in water? ?
5) Give an example of a weak acid. give one reaction of the dissociation of the weak acid and indicate its conjugate base?
6) Give an example of a weak base. give one reaction of the hydrolysis of the weak base and indicate its conjugate acid?(Hint: use water as an acid in the reactants) ?
7) Write the reaction for the autoionization of water?
8) Write the equation of Kw?
9) Define pH. What is the pH scale? ?
10) What is the equation used to calculate pH? ?
11) What is the equation used to show the relationship between Ka and pKa? ?
12) What is the relationship between pH and pOH? (What equation has both pH and pOH?) ?
13) Define a buffer solution. What species make a buffer solution? ?
14) Write the Henderson-Hasselbalch equation. 1. The [H3O + ] in a cabernet sauvignon wine is 5.7 X10-4 M. What is the [-OH] in this wine? Calculate the pH and the pOH of the wine.
15) What is the pH of a peach with a [-OH] = 3.2 X 10-11 M? What is the pOH? 3. The pH of a lime is 1.90. What is the [H3O + ]? What is the [ -OH]?
16) The Ka of a weak acid HA is 2.5x10-7 . What is the hydronium ion concentration in a 0.040 M HA solution? Use the expression for Ka and assume the concentration of the acid HA has negligible change.
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