Acids Bases pH pOH

Front

What is an acid?

Back

An acid is a substance that releases H+ ions when dissolved in water.

Front

What is the relationship between pH and pOH?

Back

pH + pOH = 14.

Front

What is the pH scale range?

Back

The pH scale ranges from 0 to 14.

Front

If the pH of a solution is 3, what is its pOH?

Back

The pOH will be 11.

Front

How do you calculate [OH-] from pOH?

Back

[OH-] = 10^(-pOH).

Front

What is the [OH-] if the pOH is 5.2?

Back

[OH-] = 6 x 10^-6 M.

Front

What is the pOH of a solution with [H3O+] of 1.3 x 10^-2 mol/L?

Back

The pOH is 12.11.

Front

What is a base?

Back

A base is a substance that releases OH- ions when dissolved in water.

Front

What happens to pH as acidity increases?

Back

As acidity increases, pH decreases.

Front

What is the pH of pure water?

Back

The pH of pure water is 7.