Acids and Bases

Front

What is the formula to calculate pH from H⁺ concentration?

Back

pH = -log[H⁺]

Front

If the H⁺ concentration of a solution is 2.8 x 10^-9, what is the pH?

Back

pH = 8.55

Front

What is the relationship between pH and pOH?

Back

pH + pOH = 14

Front

How do you calculate pOH from OH^- concentration?

Back

pOH = -log[OH^-]

Front

What is the pOH of a solution with a pH of 3?

Back

pOH = 11

Front

What is an indicator in the context of acids and bases?

Back

An indicator is a substance that changes color in response to the pH of a solution.

Front

Which of the following is a strong acid: HCl, CH₃COOH, or NH₃?

Back

HCl is a strong acid.

Front

What are the products of a neutralization reaction between an acid and a base?

Back

Water (H₂O) and a salt.

Front

What is the pH of a neutral solution at 25°C?

Back

pH = 7

Front

What is the definition of a strong base?

Back

A strong base is a substance that completely dissociates in water to produce OH^- ions.