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помогите очень срочно...

damkaw2000 @damkaw2000

November 2021 1 3 Report

помогите очень срочно

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Platinum15

Verified answer

Zn + H2SO4 = ZnSO4 +H2
Zn + 2 HCl = ZnCl2 + H2
2Fe(NO3)3 + 3Ba(OH)2 = 2Fe(OH)3 + 3Ba(NO3)2
P2O5 + 3H2O =2H3PO4
Na2O + H2SO4 = Na2SO4 + H2O
H2 + CuO = Cu + H2O

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