Question

Na->Na2O->Na2CO3->Na2Cl
NaOH->Na2SO4
NaNO3​

Answer 1

Ответ:

Na->Na2O->Na2CO3->Na2Cl

1) 4Na+O2=2Na2O

2) Na2O+H2CO3=Na2CO3+H2O

3) Na2CO3+2HCl=2NaCl+H2O+CO2

NaOH->Na2SO4

1) 2NaOH+H2SO4=Na2SO4+2H2O

NaNO3