Na2S+HCl
问题描述:
Na2S+HCl
答
少量HCl过量Na2S HCl+Na2S=NaHS+NaCl
过量HCl少量Na2S 2HCl+Na2S=H2S(g)+2NaCl
答
Na2S+2*HCl =2*NaCl+H2S