 girrrrl 
                                                02.04.2020 10:12
                                                
                                                girrrrl 
                                                02.04.2020 10:12
                                             яяя611 
                                                02.04.2020 10:10
                                                
                                                яяя611 
                                                02.04.2020 10:10
                                             tur5 
                                                02.04.2020 10:08
                                                
                                                tur5 
                                                02.04.2020 10:08
                                             Smertnik9595 
                                                02.04.2020 10:05
                                                
                                                Smertnik9595 
                                                02.04.2020 10:05
                                             milana6164 
                                                02.04.2020 10:04
                                                
                                                milana6164 
                                                02.04.2020 10:04
                                             Snikalka 
                                                02.04.2020 10:03
                                                
                                                Snikalka 
                                                02.04.2020 10:03
                                             ольга1525 
                                                02.04.2020 10:00
                                                
                                                ольга1525 
                                                02.04.2020 10:00
                                             zabzelilova 
                                                02.04.2020 10:01
                                                
                                                zabzelilova 
                                                02.04.2020 10:01
                                             нуразмед 
                                                02.04.2020 10:01
                                                
                                                нуразмед 
                                                02.04.2020 10:01
                                             DedPootis 
                                                02.04.2020 09:46
                                                
                                                DedPootis 
                                                02.04.2020 09:46
                                            
2C4H10 +5O2 =(t.p kat) 4CH3COOH + 2H2O
2 CH3COOH +Ca(OH)2= (CH3COO)2Ca +2H2O
(CH3COO)2Ca+ 2HCl= 2CH3COOH +CaCl2
2CH3COOH+ Mg= (CH3COO)2Mg + H2