Question

write an equation to show what is meant by pH in relation to hydronium ion concentration. write an equation to show what is meant by pOh in relation to hydroxide ion concentration

2. Write an equation to show what is meant by pH, in relation to hydronium ion concentration. Write an equation to show what is meant by poH, in relation to hydroxide ion concentration? (2pts)

Answer 1

P^H: - concentration of H^+ ion is expressed in terms of negative power of 10 and numerical value of that negative power is known as P^H. [H^+] = 10^-x, x = P^H [H^+] = 10^-P^H implies log [H^+] = log 10^-P^H log [H^+] = -P^H P^H = -log[H^+] P^OH: - concentration of OH^- ion is expressed in terms of negative power of 10 and numerical value of that negative power is known as P^OH. [OH^-] = 10^-x, x = P^OH [OH^-] = 10^-P^OH implies log [OH^-] = log 10^-P^OH log [OH^-] = -P^OH P^OH = -log [OH^-]