Mar. 1 Stoichiometry?!?!?!??!

NEW CHAPTER!!!!!!!!!!!!! We are starting with Stoichiometry.  It is the part of chemistry where we deal with the quantitative relationship that exists between the reactants and products in a chemical reaction. Normally in balanced equations, the relationships between the reactants and products form ratios of whole numbers.  
Eg. N2 + 3H2 → 2NH3
The ratio for this would be 1:3:2
1 molecule of nitrogen (N2) reacts with 3 molecules of hydrogen (H2) to produce 2 molecules of ammonia (NH3)

Here is a link to a stoichiometry exercise:

Here is a YouTube video:

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