K+---==>K2O K2O+----===>KOH KOH+----===>K2SO4 K2SO4+----===>KCL K+-----===>K3PO4 K2O+----===>K3PO4 K3PO4+-----===>Ca3(PO4)2 Ca3(PO4)2+------===>Ca(NO3)2
K+---==>K2O K2O+----===>KOH KOH+----===>K2SO4 K2SO4+----===>KCL K+-----===>K3PO4 K2O+----===>K3PO4 K3PO4+-----===>Ca3(PO4)2 Ca3(PO4)2+------===>Ca(NO3)2