Ответы на вопрос:
1.
1)C+O2=CO2
2) Na2O + CO2 = Na2CO3
2.
1)2Fe(OH)3=Fe2O3+3H2O
2)Fe2O3+3H2So4=Fe2(SO4)3+3H2O
3.
1)Cu(OH)2=CuO + H2O
2)CuO + H2=Cu + H2O
3.3
m1=50г*0.2=10г
m2=100*0.5=50г
W=10+50/50+100=60/150 *100%=40%
1)C+O2=CO2
2) Na2O + CO2 = Na2CO3
2.
1)2Fe(OH)3=Fe2O3+3H2O
2)Fe2O3+3H2So4=Fe2(SO4)3+3H2O
3.
1)Cu(OH)2=CuO + H2O
2)CuO + H2=Cu + H2O
3.3
m1=50г*0.2=10г
m2=100*0.5=50г
W=10+50/50+100=60/150 *100%=40%
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