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 Iron(II) Formate
Chemical formula: Fe(HCOO)2
1 mM
10 mM
100 mM
1000 mM
Iron(II) Formate is Acidic
At concentration of 1 mM, it has a pH of 6.82
At concentration of 10 mM, it has a pH of 6.89
At concentration of 100 mM, it has a pH of 7.03
At concentration of 1000 mM, it has a pH of 7.21