Question

9 класс, прошу помочь.:)

Answer 1

(NH4)2S+2KOH-->K2S+2NH3↑+2H2O
2(NH4)⁺+S⁻²+2K⁺+2OH⁻-->2K⁺+S⁻²+2NH3↑+2H2O
2(NH4)⁺+2OH⁻-->2NH3↑+2H2O

2(NH4)3PO4+3CaCL2-->Ca3(PO4)2+6NH3↑+6HCL
6(NH4)⁺+2PO⁻³₄+3Ca⁺²+6CL⁻-->3Ca⁺³+2PO⁻³₄+6NH3+6H⁺+6CL⁻
6(NH4)⁺-->6NH3+6H⁺

(NH4)2SO4+H2SO4-->2NH4HSO4

Answer 2

Поняла!