CHM 2045C Module Five Sample Exam

Module Five (Problem #70 page 171 Kotz 6^th 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