Trace amounts of sulfur (S) in coal are burned in the presence of diatomic oxygen (O2) to form sulfur dioxide (SO2). Determine the minimum mass of oxygen required in the reactants and the mass of sulfur dioxide in the products when 2 kg of sulfur is burned.

Thus 2 kg of oxygen is required in the reactants and 4 kg of sulfur dioxide in the products when 2 kg of sulfur is burned.

Explanation:

The balanced chemical equation is:

To calculate the moles :

According to stoichiometry :

a) 1 mole of sulphur require = 1 mole of

Thus 62.5 moles of sulphur will require= of

Mass of

b) As 1 moles of sulphur give = 1 mole of

Thus 62.5 moles of sulphur give =  of

Mass of

Thus 2 kg of oxygen is required in the reactants and 4 kg of sulfur dioxide in the products when 2 kg of sulfur is burned.

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