Металл сто процентов. Таблица менделеева в помощь
8Al<span> + 15H2SO4(</span>конц., гор.)<span> → 4Al2(SO4)3 + 3H2S↑ + 12H2O
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6НСl + 2Al = 2AlCl3 + 3H2,
3Н2SO4(разб<span>) + 2Al = Al2(SO4)3 + 3H2</span>
1) 2Li + O2 = 2LiO
2) 2K +H2= 2KH
3) Na2O + 2HCl = 2NaCl +H2O
4) Na +H2O = NaO +H2
5)NaOH + H2SO4 = NaSO4 + H2O
7)KOH +SO3 = KHSO3
8) 2K + Cl2 = 2KCl
9) 6Na + N2 = 2Na3N
11) K2O + H2O = 2KOH
12) 2LiOH + CO2 = Li2CO3 + H2O
13) KOH + H3PO4 = KH2PO4 + H2O
14) NaOH +FeCL2 = Fe(OH)2 + 2NaCl
C3H6+H2=C3H8
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2PbS + 3O2 = 2PbO + 2SO<span>2
n(PbS)=23.9/239=0.1
2n(PbS)=2n(SO2)
V(SO2)=0.1*22.4=2.24 л.
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