The hydroxide ion concentration in household ammonia is M at . What is the concentration of hydronium ions in the solution?
The hydronium ion concentration in a sample of rainwater is found to be M at . What is the concentration of hydroxide ions in the rainwater?
Lime juice has a pH of about 2.3. Given that the self-ionization constant of water, , is , what is the approximate hydroxide ion concentration of lime juice at ?