Ответ:
а) 2HCl+Ca(OH)2=CaCl2+2H2O
б) H2S+K2SO4=K2S+H2SO4
2HCl + Ca --> CaCl2 + H2
CaCO3 + 2HCl --> CaCl2 + H2O + CO2
2K + H2S --> K2S + H2
2KOH + H2S --> K2S + H2O
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Ответ:
а) 2HCl+Ca(OH)2=CaCl2+2H2O
б) H2S+K2SO4=K2S+H2SO4
2HCl + Ca --> CaCl2 + H2
CaCO3 + 2HCl --> CaCl2 + H2O + CO2
2K + H2S --> K2S + H2
2KOH + H2S --> K2S + H2O