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1.Na - натрий
2.Na2O,NaOH
3.Na2O+H2SO4=Na2SO4+H2O
Na2O+H2O=2NaOH
Na2O+CO2=Na2CO3
CuSO4+2HCL-->CuCL2+H2SO4
CuCL2+Zn-->ZnCL2+Cu
ZnCL2-->Zn+CL2
2Zn+O2-->2ZnO
ZnO+2NaOH-->Na2ZnO2+H2O
Na2ZhO2+2HCL-->Zn(OH)2+2NaCL
Zn(OH)2+2HNO3-->Zn(NO3)+2H2O
Zn(NO3)2+NaOH-->Zn(OH)NO3+NaNO3
Mr(NaOH)=23+16+1=40г/моль