 alena3211 
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                                                alena3211 
                                                14.01.2021 19:43
                                             EmiliKotik123 
                                                14.01.2021 19:41
                                                
                                                EmiliKotik123 
                                                14.01.2021 19:41
                                             ConyaMiMiMi 
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                                                ConyaMiMiMi 
                                                14.01.2021 19:40
                                             uhjvjvjkybz 
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                                                uhjvjvjkybz 
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                                             Nikcdi 
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                                                Nikcdi 
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                                             kazybekabdrahman0707 
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                                                kazybekabdrahman0707 
                                                10.02.2022 16:34
                                             annabragina19 
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                                                annabragina19 
                                                10.02.2022 16:36
                                             Ismira1805 
                                                10.02.2022 16:37
                                                
                                                Ismira1805 
                                                10.02.2022 16:37
                                            
2.P2O5+3H2O=2H3PO4
3.2Al+2H3PO4=2AlPO4+3H2.