0.157 moles of Hg will be produced from 34.0 g of HgO.
Explanation:
2HgO → 2Hg + O2
Molar mass of HgO = 216.59 g / mol
34.0 g / (216.59 g / mol) = 0.156979 mol HgO
1: HgO: Hg = 1 coefficient ratio ( mol defense ) because ,
0.156979 mol HgO = 0.156979 mol Hg
= 0.157 mol of Hg.
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