Question

What is P^H? Find the P^H of a 0.1M HCl solution.

Answer 1

P^H : The negative logarithm of H⁺ ion concentration base ten expressed in Moles/Lit.

P^H = –log10[H⁺]

Problem :

Given 0.1M HCl solution.

[H⁺] = 0.1M

P^H = –log[H⁺]

= –log 0.1

= –log 10^–1

= 1

P^H = 1