August 2022 1 3 Report

1)PH3+...........=P2O5+.............;

NSO3+...............=NA2SIO4...........;

CaO+.................=CaSiO3.

2)Na2CO3+HCl=

NaOH+HCl=

Fe(OH)3+HCl=

Mg+H2SO4=

ПОМОГИТЕ РЕШИТЬ ПОЖ-ТА ОЧЕНЬ НУЖНО!!!!!ЗАРАНЕЕ СПАСИБО!!!!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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