Ответ:
NaHCO3 и (NH4)2S
Объяснение:
NaHCO3 + NaOH = Na2CO3 +H2O
NaHCO3 + HCl = NaCl + CO2 +H2O
(NH4)2S + 2NaOH = 2NH3 + 2H2O +Na2S
(NH4)2S +2HCl = 2NH4Cl + H2S
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Verified answer
Ответ:
NaHCO3 и (NH4)2S
Объяснение:
NaHCO3 + NaOH = Na2CO3 +H2O
NaHCO3 + HCl = NaCl + CO2 +H2O
(NH4)2S + 2NaOH = 2NH3 + 2H2O +Na2S
(NH4)2S +2HCl = 2NH4Cl + H2S