Al2S3 + 6 K → 3 K2S + 2 Al    If you started with 12 moles of Potassium, how many moles of Potassium Sulfide and Aluminum could you make? ________ mol K2S ________ mol Al    If you only used half as much as the reaction says, you would react 0.5 mol of Al2S3 and 3 mol of K. How many moles of K2S and Al would you make? _________ mol K2S _________ mol Al    You have 12 moles of K and 3 moles of Al2S3 Which reactant is limiting? How much K2S and Al can you make? How much excess reactant do you have?

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Al2S3 + 6 K → 3 K2S + 2 Al 

 

  1. If you started with 12 moles of Potassium, how many moles of Potassium Sulfide and Aluminum could you make?

________ mol K2S

________ mol Al 

 

If you only used half as much as the reaction says, you would react 0.5 mol of Al2S3 and 3 mol of K. How many moles of K2S and Al would you make?

_________ mol K2S

_________ mol Al 

 

You have 12 moles of K and 3 moles of Al2S3

Which reactant is limiting?

How much K2S and Al can you make?

How much excess reactant do you have? 

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