Author Question: How is pH defined? a. Log of the dissociation constant of the weak acid in a solution. b. ... (Read 100 times)

clmills979 · **on:** Jul 16, 2018

How is pH defined?

a. Log of the dissociation constant of the weak acid in a solution.
b. Negative logarithm of the H+ ion concen-tration of a solution.
c. Point at which an electrolyte solution is exactly 50 dissociated.
d. Ratio of a solution's weak acid concentra-tion to its conjugate base pair.

Question 2

Which of the following describes an aspect of pH?

a. Any solution with a pH of 7.0 is neutral.
b. A pH of 7.0 describes an acidotic solution.
c. A pH change from 7.0 to 8.0 equals a two-fold increase in H+ ion concentration.
d. The pH is the log of the OH- ion concen-tration.

sailorcrescent · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
pH is the negative logarithm of the H+ used as a positive number.

Answer to Question 2

ANS: A
In this scheme, any solution with a pH of 7.0 is neutral, corresponding to the H+ of pure water.