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Решение во вложении !:)
#Azerbaijan
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M(NaCL)=160*20/100=32g
m( общ)=32+60=92g
mppa(Nacl)=160+60=220g
W(NaCL)=92/220*100%=41.82%
Ответ 41.82%
1)2Al+ 6HCl=2 AlCl3+ 3H2
2)3CaO+2H3PO4=Ca3(PO4)2+3H2O
3)F2O3+6HCl=2FeCl3+3H2O
4)2KClO3=2KCl+3O2
5)2SO2+O2=2SO3
6)Al2O3+3H2=2Al + 3H2O
7)2P+3S=P2S3
8)3H2+N2=2NH3
(1)C2H6+Cl2----------------->C2H5Cl+HCl
(2)2C2H5Cl+2Na---------->C4H10+2NaCl
(3)C4H10+Cl2---------------->C4H9Cl+HCl
(4)C4H9Cl+NH3---------->C4H9NH2+HCl
(5)C4H9NH2+HO-NO---->C4H9NH3NO2
HO-NO=HNO2