pH and pOH 2nd Chance Quiz

Which is the correct equation for calculating pH?

• pH = log[H⁺]

• pH = -log[H⁺]

• pH = 10^-[H+]

• pH = In[H⁺]

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

If the [OH-] of a solution is 2.7 x 10^-4 mol/L the pOH of the solution is

• 10.44
• 3.56
• 1.00
• -4.43

A solution with a pH of 3.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

What is the [OH-] if the pH is 4.9?

• 7.94 x 10^-10 M

• 1.0 x 10^-4 M

• 1.25 x 10^-5 M

• 4.9 x 10^-10 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 solution is 7.88. What is the concentration of [H⁺] in the solution?

• 5.86 x 10^-8 M

• 4.12 x 10^-8 M

• 1.32 x 10^-10 M

• 1.32 x 10^-8 M

What is the [OH-] if the [H+] is 1.0 x 10^-3M?

• 1.0 x 10^-3 M

• 6.02 x 10^-23 M

• 1.0 x 10^-14 M

• 1.0 x 10^-11 M

What is the [OH-] if the pOH is 4.9?

• 7.94 x 10^-10 M

• 1.25 x 10^-5 M

• 7.94 x 10^-14 M

• 1.25 x 10^-10 M