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Mr. Quinn & Ms. Tom February 11, 2014 Aim: How do we determine the limiting reagent in a chemical reaction? Do Now: balance the following chemical equation. \_\_\_ YCl 3 + \_\_\_ NbBr 5  \_\_ YBr 3 + \_\_\_ NbCl 5. The Steps. Balance the equation

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slide1
Mr. Quinn & Ms. Tom February 11, 2014Aim: How do we determine the limiting reagent in a chemical reaction?Do Now: balance the following chemical equation.___ YCl3 + ___ NbBr5 __ YBr3 + ___ NbCl5
the steps
The Steps
  • Balance the equation
  • Solve for the amount of product formed for each reactant
    • You will get different numbers
  • Whichever reactant formed a smaller amount of product is your limiting reagent.
example 1 carbon and fluorine
Example 1: Carbon and Fluorine
  • Graphite (C) burns in fluorine according to the following unbalanced equation. If 16 g of carbon are burned with 48 g of fluorine, what is the limiting reagent?
  • Balance the equation (list the elements, tally the elements, solve)

C+ F2  CF4

example 1 carbon and fluorine1
Example 1: Carbon and Fluorine

1 C+ 2F2 1 CF4

  • Find the molar mass of both reactants and oneproduct
example 1 carbon and fluorine2
Example 1: Carbon and Fluorine
  • Use dimensional analysis to predict the product formation from both reactants.
example 2 aluminum and fluorine
Example 2: Aluminum and Fluorine
  • Aluminum (Al) burns in fluorine according to the following unbalanced equation. If 16 g of aluminum are burned with 57 g of fluorine, what is the limiting reagent?
  • Balance the equation (list the elements, tally the elements, solve)

Al+ F2 AlF3

example 1 aluminum and fluorine
Example 1: Aluminum and Fluorine

2 Al+ 3F2 2 AlF3

  • Find the molar mass of both reactants and oneproduct
example 1 aluminum and fluorine1
Example 1: Aluminum and Fluorine
  • Use dimensional analysis to predict the product formation from both reactants.
example 1 sulfur and fluorine
Example 1: Sulfur and Fluorine
  • Sulfur (S8) burns in fluorine according to the following unbalanced equation. If 128 g of sulfur are burned with 144 g of fluorine, what is the limiting reagent?
  • Balance the equation (list the elements, tally the elements, solve)

S8 + F2  SF2

example 1 carbon and fluorine3
Example 1: Carbon and Fluorine

1 S8 + 8F2 8 SF2

  • Find the molar mass of both reactants and oneproduct
example 1 carbon and fluorine4
Example 1: Carbon and Fluorine
  • Use dimensional analysis to predict the product formation from both reactants.
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