<prompt> Concentration of H ion is 10-9. What is the pH of the solution?91347  <response>: Ref: Vasudevan DM, Sreekumari S. Text book of BIOCHEMISTRY, 6th Edn. Page No: 339,Explanation:pH is defined as the negative logarithm of hydrogen ion concentration molesLpH -Log10 In this problem, H Concentration is 1X109 MolesLpH -log 10pH 9Similarly pka -logl0 Where Ka is dissociation constant. ML MLpHpOHInference1 X10 -131 X 10 1113Strong acid1 X 10 -10c1 X 10 -4410Acid1 X 10 -71 X 10 -777Neutral1 X 10 -41 X 10 -10104Alkali1 X 10 -11 X 10 -13131Strong alkali 