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How many moles of O2 are formed from 1.252 g of HgO?
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How many moles of O2 are formed from 1.252 g of HgO?

User SKulibin
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1 Answer

2 votes
  • 2HgO—»2Hg+O_2

Moles of Hg

  • Given mass/Molar mass
  • 1.252/200.59
  • 0.006mol

2 moles produce 1 mol O2

1 mol produces 1/2mol O_2

0.006 mol produces

  • 0.006(0.5)
  • 0.003mol
User Qben
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