Question

Calculate the [H⁺] (or [H₃O+]) concentration (in M) for a solution that has a pH = 3.20. Recall that 10⁰=1. Enter your answer using 3 significant figures.
a) 6.31 x 10⁻4 M
b) 3.16 x 10⁻4 M
c) 1.00 x 10⁻3 M
d) 3.00 x 10⁻3 M