What is the pH of a solution that has [H3O+]=6.0x10^-3M?

Question

i dont have a high tech calculater that will do this problem...will someone help me out?
(a) 1.7x10^-12
(b) 2.22
(c) 3.60
(d) 5.12
(e) 11.78

Answer 1

If you may access computer to send question, you may easily do the following calculation with logarithm in base 10:
pH = - log ([H3O+])
Please remember this formula.
Also, if you understand logarithm, you may easily make an educated "guess" of the answer without ANY calculator or computer!