 dedchik 
                                                28.12.2020 02:49
                                                
                                                dedchik 
                                                28.12.2020 02:49
                                             Loskinstem5617 
                                                28.12.2020 02:42
                                                
                                                Loskinstem5617 
                                                28.12.2020 02:42
                                             елмира1 
                                                28.12.2020 02:40
                                                
                                                елмира1 
                                                28.12.2020 02:40
                                             hoseokjkjk 
                                                28.12.2020 02:28
                                                
                                                hoseokjkjk 
                                                28.12.2020 02:28
                                             Kirakirakira55 
                                                28.12.2020 02:27
                                                
                                                Kirakirakira55 
                                                28.12.2020 02:27
                                             andriu12252 
                                                28.12.2020 02:15
                                                
                                                andriu12252 
                                                28.12.2020 02:15
                                             Ксения80200 
                                                28.12.2020 02:10
                                                
                                                Ксения80200 
                                                28.12.2020 02:10
                                             Никто505 
                                                28.12.2020 01:53
                                                
                                                Никто505 
                                                28.12.2020 01:53
                                            
AgNO3+NH4OH=AgOH+NH4NO3
AgOH+2NH4OH=[Ag(NH3)2]OH+2H2O
2[Ag(NH3)2]OH+H-COOH=2H-COONH4+2Ag+2NH3