" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
K+1 S+7 O-2
H+1 Cl-1
H+1 N+5 O-2
K+1 ----> Cr2O7 (no lo entiendo)
Na+1 N+5 O-2