Ms. Gibson's Calculating pH and pOH Practice

Front

What is pH?

Back

pH is a measure of the hydrogen ion concentration in a solution, indicating its acidity or alkalinity on a scale of 0 to 14.

Front

What is pOH?

Back

pOH is a measure of the hydroxide ion concentration in a solution, indicating its basicity on a scale of 0 to 14.

Front

How is pH calculated from [H+]?

Back

pH = -log[H+], where [H+] is the concentration of hydrogen ions in moles per liter.

Front

How is pOH calculated from [OH-]?

Back

pOH = -log[OH-], where [OH-] is the concentration of hydroxide ions in moles per liter.

Front

What is the relationship between pH and pOH?

Back

pH + pOH = 14 at 25°C.

Front

If [H+] = 6.8 x 10^-9 M, what is the pH?

Back

pH = 8.17.

Front

If pH = 5.6, what is the pOH?

Back

pOH = 8.4.

Front

If [OH-] = 2.7 x 10^-4 M, what is the pOH?

Back

pOH = 3.56.

Front

What pH indicates a neutral solution?

Back

A neutral solution has a pH of 7.

Front

What does a pH less than 7 indicate?

Back

A pH less than 7 indicates an acidic solution.