Molarity/Molality Quiz

Name______

Acids and Bases Test Review

1) Acids taste _____; Bases taste _____. Acids turn litmus paper ____; Bases turn litmus paper ____.

2) Acids and bases react with each other to form ______+ ______.

3) Acids react with ______; Bases react with ______, creating a slippery, soapy feel.

4) Both acids and bases are ______because they dissociate and thus conduct electricity in sol’n.

5) Hydronium formula: ______; Hydroxide formula: ______

6) Arrhenius Acid: ______; Arrhenius Base: ______

7) Strong acids ______, whereas, weak acids ______

8) Strong bases ______, whereas, weak bases ______9) Bronsted-lowry acid: ______; Bronsted-lowry base: ______

10) Conjugate

acid:______

11) Conjugate base: ______

12) Write dissociation: H SO :____+_____; HI:___+___; KOH:___+_____; Ca(OH) :_____+______2 4 2

+ - 13) HBr + H O ↔ H O + Br : acid ______; base _____; conjugate acid ______; conjugate base _____ 2 3

+ - 14) NH + H O ↔ NH + OH : acid______; base______; conjugate acid______; conjugate base _____ 3 2 4

15) Amphoteric species: ______.

16) Self-ionization of water: K ,______w

17) pH: ______

18) The pH of a neutral solution is ___; the pH of an acid is ____; the pH of a base is ____. 19) Indicator: ______

20) Neutralization reaction: ______

21) Titration: ______

22) At the equivalence point of a titration, the [hydronium ion] ______the [hydroxide ion].

23) End point: ______

24) Buffers: ______

+ - 25) Calculate [H O ], [OH ], pH, + pOH of 0.58M hydrofluoric acid sol’n, HF, used to etch glass. 3

-14 0.58,1.7x10 ,0.24,13.76

+ [H O ]=______3

- [OH ]=______

pH=______pOH______

+ - -15 26) Calculate [H O ], [OH ], pH+ pOH of a 1.00 M Mg(OH) . 5.00x10 ,2.00,14.3,-0.3 3 2

+ [H O ]______3

- [OH ]______

pH______

pOH______

-11 -4 27) What is the hydronium and hydroxide ion concentrations in a sol’n of 10.1 pH?7.94x10 ,1.26x10

+ [H O ]______3

- [OH ]______

+ - -5 -9 28) Calculate pH, [H O ], + [OH ] in an aqueous solution of pOH 9.0. 5.0,1.0x10 ,1.0x10 3

pH______+ [H O ]______3

- [OH ]______

29) What is the molarity of a hydrochloric acid, HCl, solution, if 50.0 mL is neutralized in a titration by

40.0 mL of 0.400 M ammonia, NH ? 0.320 3

______

30) 20.0mL of 1.00M HCN is required to neutralize 15.2mL of a NaOH sol’n. What is the concentration of

NaOH? 1.32______