8
QuizMultiple Choice
Lab: Measuring pH — Unit test
Question 8 • Foothill-B Period-Chemistry-26/27B
An acid is a substance that increases the concentration of H3O+ ions in solution. Look at the reaction below of phenol (C6H5OH) with water:Which reactant acts as an acid by contributing a H+ ion to create H3O+ in the chemical equation?
Answer
A
C6H5OH(aq)B
H2O(l)C
C6H5O–(aq)D
H3O+(aq)