CHM 1025C Module Eight-Solutions Sample Exam
Part L: pH Scale Calculations (Section 15.8-15.9) 10 points
What is the pH and pOH of the following solutions:
pOH = 14.00 –
pH Kw
= 1.00 x 10-14 = [H3O1+][OH1-]
(1) 0.0100 M HCl
(2) 0.0055 M Mg(OH)2
(3) The pH of vinegar is 2.85,
calculate the [H3O1+]:
(4) Easy Off Oven Cleaner has a pH of 11.70. What is the [H3O1+]
and [OH 1- ]?