What is the difference between Potassium Gluconate - 595 mg. vs. Klor-Con 20 mEq?

Potassium Gluconate (mw 234) 595 mg equals 2.5 meq of potassium

Klor-Con 10 is 10 meq of potassium
Klor-Con 20 is 20 meq of potassium

So the chemical equivalent of one Klor-Con 20 tablet approximately 8 Potassium Gluconate tablets. However, keep in mind the chemical equivalency may not be exactly the same as the medical equivalency.