If bleach has a pH of 12, what can be inferred about its hydroxide ion concentration compared to pure water?

• A. Bleach has the same hydroxide ion concentration as pure water.
• B. Bleach has a lower hydroxide ion concentration than pure water.
• C. Bleach has a higher hydroxide ion concentration than pure water.
• D. Bleach has no hydroxide ions.

Answer: (C)