Skip to Content Go to sign in Skip to Primary Navigation Skip to Secondary Navigation Skip to Page Navigation Skip to Header Navigation Skip to Footer Navigation Read more about accessability options and our navigation

Physics Classroom is making strides to make our site accessible to everyone. Our site contains 6 navigation areas. The Primary, Secondary, and Page Level navigations have a screen reader version of their nav structure that allows using the left and right keys to navigate sibling navigation items, and up or down keys to navigate parent or child navigation items. The others can be navigated using tabs. The Primary Navigation handles the first 2 levels of site pages. The Secondary (which is not always available) handles the 3rd and 4th level of structure. The Page level navigation allows you to navigate the current page's headings quickly. The Header Navigation contains the Light/Dark Mode toggle, Search, Notifications and account login. The Breadcrumb Navigation contains the breadcrumb of the current page. If the current page has a breadcrumb, you can get to it by skipping to the content and tabbing in reverse (shift plus tab). The Footer Navigation contains links such as Privacy, Contact, about and terms. Some resources contain an Audio Player that can be activated by holding down the T key for 3 seconds, and then using K to pause and resume. While not every area of Physics Classroom is usable purely from keyboard and screen reader, we are committed to continue work on making this possible. If you have questions or need additional help, please use this link to contact us.

Return to screen reader navigation
Home Concept Builders Stoichiometry

Concept Builders - Stoichiometry

We're sure you'll have a blast learning about Stoichiometry with these concept builders. We take the mountain and make it a mole-hill as you learn about mole conversions, reactants, etc.

Activities

Elemental Measures (a.k.a. Stoikheion-metry)

🞋︎ Learning Goal: To calculate the number of atoms and the mass in grams of each element involved in the reaction on the reactant and the product side so as to show that atoms, and therefore mass, are conserved in a chemical reaction.

Limiting Reactants

🞋︎ Learning Goal: To analyze the stoichiometry of a chemical reaction involving a limiting and excess reactant.

Mass Stoichiometry

🞋︎ Learning Goal: To relate the mass of a reactant to the mass of other reactants and products in a balanced chemical equation.

Stoichiometry: Relationships

🞋︎ Learning Goal: To use the coefficients of a balanced chemical equation and the molar masses of reactants and products to relate the quantities of reactants and products involved in a reaction.

Stoichiometry Law Breakers

🞋︎ Learning Goal: To identify conversion factors that are capable and incapable of converting from a given quantity to an unknown quantity in a stoichiometry problem.