1. 2C15H31COOH+Mg(OH)2--->(C15H31COO)2Mg+2H2O
2. NaOH+C17H35COOH--->H2O+C17H35COONa
3. C15H31COOH+NaOH--->C15H31COONa+H2O
A- C15H31COOH, kwas palmitynowy
B- H2O, woda
C- C17H35COONa, stearynian sodu
D- C15H31COONa, palmitynian sodu