Pka Acid Strength

Which of the following is a pH for a strong base? 

• 1
• 8
• 7
• 13

Which of the following is a pH for a strong acid? 

• 1
• 6
• 7
• 13

What is the [H+] if the pH is 4.0?

• 1.0 x 10-10  M
• 1.0 x 10-4  M
• 1.0 x 10-14  M
• 1.0 x 10-7  M

What is the pH of a 1.53 x 10^-6 M solution of HCl?

• 5.82

• 8.18

• 6.99

• 4.15

The pH of a 0.001 M solution of HCl is

• 11

• 3

• 2

• 4

Acetic Acid (HC₂H₃O₂) is a weak monoprotic acid. It's concentration is 0.20M and it's Ka value is 1.8x10^-5. Calculate it's pH value.

• 0.698

• 2.72

• 11.28

• None of the answers are correct

Which of these pKa values corresponds to the strongest acid?

• 1.2

• 1.4

• 1.6

• 1.8

Which of these pKa values corresponds to the weakest (least strong) acid?

• 5.6

• 5.2

• 4.8

• 4.4

Which of these Ka values corresponds to the weakest (least strong) acid?

• 9 x 10^-10

• 5 x 10^-4

• 6 x 10^-8

• 7 x 10^-2

Which of these Ka values corresponds to the strongest acid?

• 8.4 x 10^-10

• 5.0 x 10^-4

• 9.8 x 10^-8

• 1.0 x 10^-3