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zekora4584
@zekora4584
July 2022
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innysik51511
1)Cu(OH)2 = CuO + H2O
H2SO4 + Mg = H2 + MgSO
4
SO3 + H2O = H2SO
4
2)
4 P + 5 O2 = 2 P2O
5
P2O5 + 3 H2O = 2 H3PO
4
H3PO4 + 3 NaOH = 3 H2O + Na3PO
4
3)m(CuCl2)=120*0,1=12 гр
V(CuCl2)=12/134=0,09 моль
V(CuCl2)=V(Cu(OH)2)
m(Cu(OH)2)=0,09*98=8,82 гр
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Answers & Comments
H2SO4 + Mg = H2 + MgSO4
SO3 + H2O = H2SO4
2)4 P + 5 O2 = 2 P2O5
P2O5 + 3 H2O = 2 H3PO4
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
3)m(CuCl2)=120*0,1=12 гр
V(CuCl2)=12/134=0,09 моль
V(CuCl2)=V(Cu(OH)2)
m(Cu(OH)2)=0,09*98=8,82 гр