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2) If cobalt(II) sulfate is heated too strongly, the following reaction will occur
CoSO4(s) → COO(s) + SO3(g)
If you are heating a sample of CoSO: 6H30 and this reaction occurs along with
dehydration, what will happen to the experimental percent water? Explain your
answer.

Respuesta :

The percent water will be greater than its actual value.

The percent of water in a sample of CoSO4.6H2O is determined by weighing the hydrated salt first and then subject it to heating. After heating, the mass of the resulting anhydrous salt is obtained again by weighing and the mass difference is used to calculate the experimental percent water.

However, if the reaction CoSO4(s) → COO(s) + SO3(g) occurs along with dehydration, the mass of the CoSO4(s) will decrease further leading to a very high value of experimental percent water, greater than its actual value.

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