This little website shows you the pH of various acids, bases, food products, bodily fluids, cleaners, and more!
Here's a random substance:
pH of Trisodium Phosphate
Chemical formula: Na3PO4
Also known as: Sodium phosphate tribasic, trisodium orthophosphate
Trisodium Phosphate is Basic
At concentration of 1 mM, it has a pH of 10.95
At concentration of 10 mM, it has a pH of 11.71
At concentration of 100 mM, it has a pH of 12.12
At concentration of 0.1N, it has a pH of 12.0