CHM 2046C Module 11 Chapter 14 Sample Exam

Part D: pH Scale Calculations 10 points

What is the pH and pOH of the following solutions:

(1) 0.000675 M HCl

(2) 0.0025 M Ca(OH)₂

(3) The pH of a cup of coffee is 4.32, calculate the [H₃O^{+1 ]}:

(4) A detergent solution has a pH of 11.45. What is the [OH ^1- ]?