K2CO3 = 2K[+] + CO3[2-] AlCl3 = Al[3+]+ 3Cl[-] NaHCO3 = Na[+] + HCO3[-] 1 ступень:H2SeO4 = H[+] + HSeO4[-] 2 ступень: HseO4 = H[+] + SeO4[2-] общ:H2SeO4 = 2H[+] + SeO4[2-] Ca(NO3)2 = Ca[2+] + 2NO3[-] 1 ступень: Ba(OH)2 = Ba(OH)[+] + OH[-] 2 ступень: Ba(OH)[+] = Ba[2+] + OH[-] общ:Ba(OH)2 = Ba[2+] + 2OH[-] LiOH = Li[+] + Oh[-]