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savannah1
@savannah1
August 2021
2
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помогите срочно!!!! 6 задание ( 5 желательно)
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АндрейПроничев
А)
4Li + O2 = 2Li2O
Li2O + H2O =
2LiOH
LiOH + HCl = LiCl + H2O
Li2O
+ 2HCl = 2LiCl +
H2O
2Li + 2
H2O
= 2LiOH +
H2↑
б) 2Na +
O2
=
Na2O2
Na2O2
+ 2Na = 2
Na2O
Na2O
+
H2O
= 2NaOH
3NaOH +
H3PO4
=
Na3PO4
+ 3
H2O
2Na + 2
H2O
= 2NaOH +
H↑
3
Na2O
+ 2
H3PO4
= 2
Na3PO4
+ 3
H2O
1 votes
Thanks 1
SofStrelets
6)
a.
1)4Li+O2=2Li2O
2)Li2O+H2O=2LiOH
3)LiOH+HCL=LiCL+H2O
4)LiCL+AgNO3=LiNO3+AgCl
б.
1)2Na+O2=Na2O2
2)Na2O2+2Na=2Na2O
3)Na2O+H2O=2NaOH
4)3NaOh+H3PO4=Na3PO4+3H2O
5)Na3PO4+Al(No3)2=AlPO4+3NaNo3
0 votes
Thanks 1
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Answers & Comments
Li2O + H2O = 2LiOH
LiOH + HCl = LiCl + H2O
Li2O + 2HCl = 2LiCl + H2O 2Li + 2H2O = 2LiOH + H2↑
б) 2Na + O2 = Na2O2
Na2O2 + 2Na = 2Na2O
Na2O + H2O = 2NaOH
3NaOH + H3PO4 = Na3PO4 + 3H2O
2Na + 2H2O = 2NaOH + H↑
3Na2O + 2H3PO4 = 2Na3PO4 + 3H2O
a.
1)4Li+O2=2Li2O
2)Li2O+H2O=2LiOH
3)LiOH+HCL=LiCL+H2O
4)LiCL+AgNO3=LiNO3+AgCl
б.
1)2Na+O2=Na2O2
2)Na2O2+2Na=2Na2O
3)Na2O+H2O=2NaOH
4)3NaOh+H3PO4=Na3PO4+3H2O
5)Na3PO4+Al(No3)2=AlPO4+3NaNo3