Is each of the following statements true or false? (a) All strong acids contain one or more H atoms. (b) A strong acid is a strong electrolyte. (c) A 1.0-M solution of a strong acid will have pH = 1.0

What is the basis for referring to the hydrogen ion as a proton? (a) The Arrhenius definition of an acid. (b) The Brønsted-Lowry definition of an acid x (c) The Lewis definition of an acid. (d) H* exists as a bare proton. (e) None of these.

100 mL of 0.1 M NaOH solution was poured into 20 mL of 0.2 M H2SO4 solution and mixed well.  What was the final pH of the mixture? (a)   pH =1.00               (b) pH= 1.08              (c)pH=12.0               (d)pH=1.80             (e)pH = 12.2

The pOH of an aqueous solution of 0.591 M phenol (a weak acid), C,H5OH, is

(a) A 50.0 mL solution is prepared to be 1.29 M acetylsalicylic acid. In the first step, 8.55 mL of NaOH is titrated into the solution until the pH is exactly 5.0. What is the concentration of the titrant (NaOH)? (b) In the second step, enough 5.85 M nitric acid is added to the solution after the titration in part (a) is complete until the pH is one unit lower than the pKa of acetylsalicylic acid. What volume (mL) of nitric acid was added?

A 0.018 M solution of salicylic acid, HOC6H4CO2H, has the same pH as 0.0038 M HNO3solution. (a) Write an equation for the ionization of salicylic acid in aqueous solution. (Assume only the –CO2H portion of the molecule ionizes.) (b) What is the pH of solution containing 0.018 M salicylic acid? (c) Calculate the Ka of salicylic acid.

Write the formula for the conjugate base of each of the following acids: (a) CH,CICOOH, (b) HIO4, (c) H,PO4, (d) H,PO, (e) HPO, (f) H,SO,, (g) HSO,, (h) HIO3, (i) HSO,, (j) NH, (k) H,S, (1) HS, (m) HCIO. A58

The pH of an aqueous solution of 8.39×10-2 M ammonium nitrate, NH4NO3 (aq), is

Chemists working with fluorine and its compounds some- times find it helpful to think in terms of acid-base reac- tions in which the fluoride ion (F¯) is donated and ассеpted. (a) Would the acid in this system be the fluoride donor or fluoride acceptor? (b) Identify the acid and base in each of these reactions: CIF;O2 + BF; CIF,O, · BF, -- TiF, + 2 KF – K2[TiF,]

The pH of an aqueous solution of 0.506 M benzoic acid , C6H5COOH is