Hg-HgO-HgCl2--MgS-Mg=

Question

Hg-HgO-HgCl2--MgS-Mg=

Answer 1

1) 2Hg + O2 = 2HgO
2)HgO + 2HCl = HgCl2 + H2O

Comments

Тогда

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3) HgCl2 + H2S = HgS + 2HCl