👤

Scrieti ecuatile reactiilor:
HCN + K2S
CH3 - COOH + NaCN
H2S + MgCO3
Na2CO3 + HCI
HCl + CH - COOK


Răspuns :

Răspuns:

2HCN + K2S => 2KCN + H2S

CH3 - COOH + NaCN=> HCN + CH3-COONa

Na2CO3 + 2HCI=> 2NaCl + H2O + CO2

HCl + CH - COOK => KCl + CH3-COOH