glass.  Prior to the environmental movement much of it was produced by the following reaction.   CaCO3 + 2 NaCl → Na2CO3 + CaCl2   Unfortunately, the byproduct calcium chloride is of little use and was dumped into rivers, creating a pollution problem.  As a result of the environmental movement, all of these plants closed.  Assume that 125g of calcium carbonate (100.09 g/mol) and 125 g of sodium chloride (58.44 g/mol) are allowed to react.   Determine how many grams of useful sodium carbonate (105.99 g/mol) will be produced.  How many grams of useless calcium chloride (110.98 g/mol) will be produced?  You should also determine how many grams of excess reactants are left (indicate which one is the limiting reactant)

Chemistry for Engineering Students
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Author:Lawrence S. Brown, Tom Holme
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Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.100PAE
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Soda ash (sodium carbonate) is widely used in the manufacture of glass.  Prior to the environmental movement much of it was produced by the following reaction.

 

CaCO3 + 2 NaCl → Na2CO3 + CaCl2

 

Unfortunately, the byproduct calcium chloride is of little use and was dumped into rivers, creating a pollution problem.  As a result of the environmental movement, all of these plants closed.  Assume that 125g of calcium carbonate (100.09 g/mol) and 125 g of sodium chloride (58.44 g/mol) are allowed to react.

 

  1. Determine how many grams of useful sodium carbonate (105.99 g/mol) will be produced. 
  2. How many grams of useless calcium chloride (110.98 g/mol) will be produced? 
  3. You should also determine how many grams of excess reactants are left (indicate which one is the limiting reactant) 
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