5. The [H+]of a solution is 105M, what is the pH ? ( 1 point) 6. The pH of a solution is 11 , what is the [H+]? (1 point) 7. The [OH] of a solution is 109M, what is the pH ? (1 point) 8. Solution A has a pH of 8. Solution B has a pH of 5 . A buffer has a pKa of 4.5. The buffer would be suitable for stabilizing the pH of: (1 point) (a) solution A, but not solution B (b) solution B, but not solution A (c) both solutions A and B (d) neither solution (e) there is not enough information to answer the