anonymous
  • anonymous
There are two binary compounds of mercury and oxygen. Heating either of them results in the decomposition of the compound, with oxygen gas escaping into the atmosphere while leaving a residue of pure mercury. Heating 0.6498 g of one of the compounds leaves a residue of 0.6018 g. Heating 0.4172 g of the other compound results in a mass loss of 0.016 g. Determine the empirical formula of each compound.
AP Chem
katieb
  • katieb
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welshfella
  • welshfella
For the first compound the ratio of mercury to oxygen is 0.6498 : 0.048 dividing these values by the molar masses of Hg and O: 06498/200.6 : 0.048 / 16 = 0.003 : 0.003 = 1 : 1 so empirical formula for first compound is HgO
welshfella
  • welshfella
You can solve the second part in the same way

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