Question

CRCL3+NAOH=CR(OH)3+NACL ион?

Answer 1

CrCl3 + 3NaOH = Cr(OH)3 + 3NaCl

Cr(3+) + 3Cl(-) + 3Na(+) + 3OH(-) = Cr(OH)3 + 3Na(+) + 3Cl(-)

Cr(3+) + 3OH(-) = Cr(OH)3