розчитать с.о в в-вах.
CaO,KOH,KMnO4,H2,Ce2O3,Ae,H3PO4.
Ca +3
O -2
K +1
OH -1
MnO4 Mn =7
H+1
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ca +3
O -2
K +1
OH -1
K +1
MnO4 Mn =7
O -2
H+1