Задача Задача №507732
А
А
K2O+HCl = KCl+H2O K2O+H2SO4 = K2SO4+H2O K2O+H2PO4 = K3PO4+H2O K2O+H2S = K2S+H2O K2O+H2SO3 = K2SO4+H2O K2O+HBr = KBr+H2O K2O+H2CO3 = K2CO3+H2O
K2O+HCl = KCl+H2O K2O+H2SO4 = K2SO4+H2O K2O+H2PO4 = K3PO4+H2O K2O+H2S = K2S+H2O K2O+H2SO3 = K2SO4+H2O K2O+HBr = KBr+H2O K2O+H2CO3 = K2CO3+H2O