H,CO,C PH co Fan H₂CO₂C 20,ch, H,CÓ 6. H₂00,0 Ph Ph 111 1 1,00,0 1,00,0

The pH of a 0.22 M aqueous solution of a weak acid at 25.0 °C is 4.50. What is the value of Ka for the weak acid? O 1.4 x 10-4 O 2.2 x 10-6 none of the above 1.0 x 10-9 O 4.5 x 10-9

One water molecule can donate a proton to another in a process called the equilibrium constant expression for this reaction is O a. #,0* ][ OF] [H,0] он autoionization; Ob. [H,0* ][ O] [H,0]° protonation; Oc. [H,0* ][O ] [H,0] hydrolysis; Od. autoionization; [H30*][OH] Oe. [H,0* ][O ] [H,0] OHO neutralization;

Substance Orange Juice Soap Pure water 3-7 11.5 7.0 Bleach 13-0 Battery acid 1.5 Which of the above substances has the most hydrogen ions? O Soap O Battery acid О Bleach OOrange Juice

1donsify the apid, base , conjugate acid and conjugate base in The follaing reachon HPOU t AzO > HO t Ag PO 4

Q 13 please

Choose the reaction conditions to complete the acid-base reaction shown.

Which of the two solutions has the lower pH: a. 0.2 M Fe(ClO4)2 or 0.2 M Fe(ClO4)3 b. 0.5 M Hg(NO3)2 or 0.5 M Zn(NO3)2

Q6

A solution with a pOH of 10.70 has an [H +] of a.2.0 × 10−12 M. b.5.0 × 10−4 M. c.3.2 × 10−4 M. d.0.36 M. e.5.0 × 10−3 M.