What is the pH of a solution with [H+] concentration of 1x10-8 M?
6
4
10
8
What is the pH of 0.02 mol of NH3 in 0.5 L of solution?
1.4
0.3
1
1.7
If [H3O+] < [OH-]
pH > 7
pH = 7
pH < 7
Which of the following represents an acidic solution
pOH = 9
pOH = 3
pH = 7
pH = 10
What is the conjugate base of HCl?
HCl2
H2O
Cl-
OH-
Identify the conjugate acid-base pair.
H2O / H3O+
H2CO3/ HCO3-
H3CO3 / OH-
CO3-2 /HCO3-
Find the conjugate base in H2SO4.
SO32-
H2O2
HSO4-
HSO3-
Which of the following has a weak conjugate base?
HF
HCOOH
HCl
H2O
What is the correct description for this solution of HBr?
weak base
weak acid
strong base
strong acid
You have 20.0 mL of HCl with an unknown concentration. The HCl is titrated with 0.0154 M Ba(OH)2. The equivalence point is reached when 27.4 mL of barium hydroxide has been added. What is the concentration of the HCl solution?