U12 Flashcard 2

Front

What reacts with metals to produce Hydrogen Gas?

Back

Acid

Front

Find the [OH-] of a solution with a pH= 8.50.

Back

3.2 x 10^-6 M

Front

What ends with 'OH-'?

Back

Base

Front

What is the range of the pH scale?

Back

0-14

Front

Which statement is true concerning acids and bases?

Back

Acids mixed with bases neutralize each other.

Front

Define an acid.

Back

A substance that donates protons (H+) in a solution.

Front

Define a base.

Back

A substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution.

Front

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

Back

7

Front

What is the relationship between pH and [H+] concentration?

Back

pH = -log[H+] (higher [H+] means lower pH).

Front

What is a strong acid? Give an example.

Back

An acid that completely dissociates in solution; e.g., HCl (hydrochloric acid).