What is saponification in soap making? What is soap?Soaps are sodium or potassium salts of long-chain fatty acids The general formula of a soap can be written as RCOO-Na+ or RCOO-K+, where R is an alkyl group usually containing 12 or 18 carbon atoms. R can be saturated or unsaturated.Soap FormulaSodium laurate CH3(CH2)10COO-Na+Sodium … [Read more...] about What is saponification in soap making?