azotan(V)potasu
2K+2HNO3--->2KNO3+H2
KOH+HNO3--->KNO3+H2O
K2O+2HNO3--->2KNO3+H2O
K2O+N2O5--->2KNO3
2KOH+N2O5--->2KNO3+H2O
fosforan(V)wapnia
3Ca+2H3PO4--->Ca3(PO4)2+3H2
3Ca(OH)2+2H3PO4--->Ca3(PO4)2+6H2O
3CaO+2H3PO4--->Ca3(PO4)2+3H2O
6CaO+P4O10--->2Ca3(PO4)2
6Ca(OH)2+P4O10--->2Ca3(PO4)2+6H2O
