Na2S+HCl

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Na2S+HCl

Na2S+HCl
Na2S+HCl

Na2S+HCl
Na2S+2*HCl =2*NaCl+H2S

少量HCl过量Na2S HCl+Na2S=NaHS+NaCl
过量HCl少量Na2S 2HCl+Na2S=H2S(g)+2NaCl