Online College Courses for Credit



Author: Lizette Rivera

The learner will apply concepts of the mole and Avogadro's number to conceptualize and calculate mass,moles and molecules relationship.

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

29 Sophia partners guarantee credit transfer.

312 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Limiting Reactant Lecture 2/3/2014

Understanding Stoichiometry

Source: Khan Academy


Complete these practice questions.



Watch me work out the problems. See me if you have any additional questions.