Here are some examples of substances with a pH around 9:
* Baking soda solution: A typical baking soda solution can have a pH around 9.
* Some soaps: Certain soap solutions can have a pH in this range.
* Seawater: The pH of seawater can vary, but it's usually slightly alkaline, around 8.1.
* Certain household cleaners: Some cleaning products, like ammonia-based cleaners, can have a pH around 9.
Important note: It's crucial to remember that the exact pH can vary depending on the specific substance and its concentration.