What is the hydronium ion concentration [H3O+] of a solution that has a pH of 4.12?

-1.32x10 ^ -10

7.59 x 10 ^ -5

1.32 x 10 ^ -10

-7.59 x 10 ^ -5

-9.88

9.88

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality