 lenaa666 
                                                12.02.2021 12:02
                                                
                                                lenaa666 
                                                12.02.2021 12:02
                                             124354i 
                                                12.02.2021 12:03
                                                
                                                124354i 
                                                12.02.2021 12:03
                                             yuliyabondar2 
                                                12.02.2021 12:03
                                                
                                                yuliyabondar2 
                                                12.02.2021 12:03
                                             Чикчирик12 
                                                12.02.2021 12:03
                                                
                                                Чикчирик12 
                                                12.02.2021 12:03
                                             kottonkandy 
                                                12.02.2021 12:03
                                                
                                                kottonkandy 
                                                12.02.2021 12:03
                                             Isabekov1 
                                                12.02.2021 12:03
                                                
                                                Isabekov1 
                                                12.02.2021 12:03
                                             kety0milka 
                                                12.02.2021 12:03
                                                
                                                kety0milka 
                                                12.02.2021 12:03
                                            
n=5.6/ 22.4=0.25 моль