CHM 2045C Module Five Sample  Exam     

 

Module Five (Problem #70 page 171 Kotz 6th edition)

 

Part N  Multi-step Synthesis Stoichiometry       4  points

 

Potassium perchlorate may be made by the following series of reactions:

 

                Cl2   +   2 KOH      ---->    KCl    +    KClO      +     H2O

 

                           3 KClO        ----->      2 KCl    +      KClO3

 

                           4 KClO3      ----->      3   KClO4        +        KCl

 

How much Cl2 is needed to prepare 100 g of Potassium perchlorate KClO4 by the above sequence?

 

 

 

 

 

 

 

Other Problems: Problem #73 Page 171