The PH of a Popular Soft Drink Is 3 $\times$ 10^-4 M
B)4

The pH of a popular soft drink is 3.4; what is its hydronium ion concentration?

A) 5.0 $\times$ 10^-4 M
B) 4.0 $\times$ 10^-4 M
C) 2.5 $\times$ 10³ M
D) 1.0 $\times$ 10^-7 M
E) 5.0 $\times$ 10^-5 M