STOICHIOMETRY OF A REACTION

A reactant that is totally consumed during a chemical reaction

• excess reactant

• limiting ractant

• theoretical yield

• actual yield

The amount of product that actually forms when the reation is carried out in the laboratory

• theoretical yield

• molar mass

• actual yield

• molar ratio

The equation of Percentage Yield

Which of the following equipments was not used during the experiment ?

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Which of the following solutions was not used during the experiment ?

• FeCl₃

  Ferric chloride

• K₂C₂O₄.H₂O

  Potassium Oxalate

• KCl

  Potassium chloride

• Distilled water

What is the role of hot plate in the experiment ?

• increase the conductivity

• increase the solubility

• control of the humidity

• storage of bacterial cultures

What is the role of ice bath in the experiment ?

• filter a precipitate

• dissolve a precipitate

• weigh a precipitate

• forms a precipitate

What is stoichiometry?

• the study of plants and how they interact with their environments

• the study of the QUANTITATIVE relationships between reactants and products in a chemical reaction

• Geometrical analysis of solutions

• The study of the speed of reactions

You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich.  If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, what is the limiting reactant?

• bread

• jelly

• peanut butter

• sandwich

Stoichiometry is based on the law of conservation of

• charge

• color

• mass

• volume