Odpowiedź :
2Rb+2H2O--->2RbOH+H2
SO3+H2O--->H2SO4
6Rb+2H3PO4--->2Rb3PO4+3H2
3KOH+H3PO4--->K3PO4+3H2O
2KOH+SO3--->K2SO4+H2O
2Rb+S--->Rb2S
2Rb+2H2O--->2RbOH+H2
SO3+H2O--->H2SO4
6Rb+2H3PO4--->2Rb3PO4+3H2
3KOH+H3PO4--->K3PO4+3H2O
2KOH+SO3--->K2SO4+H2O
2Rb+S--->Rb2S