What is the difference between an acid and a base and how is pH defined?

Expert Answers info

justaguide eNotes educator | Certified Educator

calendarEducator since 2010

write12,544 answers

starTop subjects are Math, Science, and Business

The hydrogen ion concentration determines if a compound is an acid or a base. A compound that is an acid increases its hydrogen ion concentration when dissolved in water. A base on the other hand decreases the hydrogen ion concentration of pure water...

(The entire section contains 146 words.)

Unlock This Answer Now


check Approved by eNotes Editorial