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July 2022
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Помогите решить цепочку по химии Al=Al2O=Al2(SO4)3 Ca=CaO=Ca(OH)2=CaSO4 P=P2O5=H3PO4=Ca3(PO4)2 K=K2O=KOH=KCl
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Answers & Comments
Potassium
4Al + 3O2 = 2Al2O3
Al2O3 + 3H2SO4 = Al2(SO4)3 + 3H2O
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + H2SO4 = CaSO4 + 2H2O
4P + 5O2 = 2P2O5
P2O5 + 3H2O = 2H3PO4
2H3PO4 + 3Ca = Ca3(PO4)2 + 3H2
4K + O2 = 2K2O
K2O + H2O = 2KOH
KOH + HCl = KCl + HOH
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Answers & Comments
Al2O3 + 3H2SO4 = Al2(SO4)3 + 3H2O
2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + H2SO4 = CaSO4 + 2H2O
4P + 5O2 = 2P2O5
P2O5 + 3H2O = 2H3PO4
2H3PO4 + 3Ca = Ca3(PO4)2 + 3H2
4K + O2 = 2K2O
K2O + H2O = 2KOH
KOH + HCl = KCl + HOH