CRCL3+NAOH=CR(OH)3+NACL ион?
CrCl3 + 3NaOH = Cr(OH)3 + 3NaCl Cr(3+) + 3Cl(-) + 3Na(+) + 3OH(-) = Cr(OH)3 + 3Na(+) + 3Cl(-) Cr(3+) + 3OH(-) = Cr(OH)3