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TatjanaFlower
@TatjanaFlower
August 2022
1
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Помогите, пожалуйста!
Na-->Na2O-->NaOH-->Na2SO4
1) Na + ... -->Na2O
2) Na2o + ... -->NaOH
3)NaOH + ... -->Na2SO4
4)Na + ... -->NaOH
P-->P2O5-->H3PO4-->K3PO4
1)P + ... -->P2O5
2)P2O5 + ... -->H3PO4
3)H3PO4 + ... -->K3PO4
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naugros
Na-->Na2O-->NaOH-->Na2SO4
1) 4Na +О2 ... -->2Na2O
2) Na2О + Н2О... -->2NaOH
3)2NaOH + Н2SO4.. -->Na2SO4+2H2O
4)2Na + 2H2O... -->2NaOH+H2
P-->P2O5-->H3PO4-->K3PO4
1)4P + 5O2... -->2P2O5
2)P2O5 +3H2O ... -->2H3PO4
3)H3PO4 + 3KOH... -->K3PO4+3H2O
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Answers & Comments
1) 4Na +О2 ... -->2Na2O
2) Na2О + Н2О... -->2NaOH
3)2NaOH + Н2SO4.. -->Na2SO4+2H2O
4)2Na + 2H2O... -->2NaOH+H2
P-->P2O5-->H3PO4-->K3PO4
1)4P + 5O2... -->2P2O5
2)P2O5 +3H2O ... -->2H3PO4
3)H3PO4 + 3KOH... -->K3PO4+3H2O