 kirill055 
                                                17.06.2019 10:37
                                                
                                                kirill055 
                                                17.06.2019 10:37
                                             aitmukhanov200p015xc 
                                                17.06.2019 10:32
                                                
                                                aitmukhanov200p015xc 
                                                17.06.2019 10:32
                                             krohaaaaaaaa 
                                                17.06.2019 10:22
                                                
                                                krohaaaaaaaa 
                                                17.06.2019 10:22
                                             нур821 
                                                24.11.2020 01:47
                                                
                                                нур821 
                                                24.11.2020 01:47
                                             666Dim 
                                                24.11.2020 03:05
                                                
                                                666Dim 
                                                24.11.2020 03:05
                                             1234567891011121314з 
                                                24.11.2020 03:43
                                                
                                                1234567891011121314з 
                                                24.11.2020 03:43
                                             ltimofienko 
                                                24.11.2020 03:48
                                                
                                                ltimofienko 
                                                24.11.2020 03:48
                                             samira2314 
                                                24.11.2020 03:49
                                                
                                                samira2314 
                                                24.11.2020 03:49
                                            
Zn(2+) + S(2-) = ZnS
Zn(NO3)2 + Na2S = ZnS + 2NaNO3
ZnCl2 + K2S = ZnS + 2KCl
ZnSO4 + Li2S = ZnS + Li2SO4