Homework Chapter 16.4

4. The pH of an aqueous solution is 3.67. Determine [H3O⁺¹]. (2.1 x 10^-4 M)

Given:

pH = 3.67
[H₃O⁺¹] = ?

pH=-log [H₃O⁺¹]
3.67 = -log[H₃O⁺¹]
2.1 x 10^-4