Presentation is loading. Please wait.

Presentation is loading. Please wait.

Stoichiometry –The calculation of quantities using chemical reactions –Example: If we want to make 1.5 moles of Fe 2 O 3 using Fe + O 2, how much do we.

Similar presentations


Presentation on theme: "Stoichiometry –The calculation of quantities using chemical reactions –Example: If we want to make 1.5 moles of Fe 2 O 3 using Fe + O 2, how much do we."— Presentation transcript:

1 Stoichiometry –The calculation of quantities using chemical reactions –Example: If we want to make 1.5 moles of Fe 2 O 3 using Fe + O 2, how much do we need of the reactants to start?

2 Mole Ratio –Conversion factor derived from the coefficients of a balanced equation. –It’s the BRIDGE to get across to other elements/compounds

3 N 2 + 3H 2  2 NH 3 1 mole N 2 / 3 mole H 2 2 mole NH 3 / 1 mole N 2 3 mole H 2 / 2 mole NH 3

4 Mole-Mole Calculations Predict products (possible) Balance equation Determine mole ratios Start with what the problem gives you - ALWAYS! Use the correct mole ratio

5 Magnesium and oxygen react to form ____________. How many moles of the product are produced when 1.2 moles of oxygen react with excess magnesium? How many moles of magnesium reacted in the problem above?


Download ppt "Stoichiometry –The calculation of quantities using chemical reactions –Example: If we want to make 1.5 moles of Fe 2 O 3 using Fe + O 2, how much do we."

Similar presentations


Ads by Google