Question

Calculate the mass of sulfur dioxide

produced by burning 16 g of sulfur in

excess of oxygen in contact process.

(Average atomic mass
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Answer 1

Answer:

Moles = S = 16g / 32 g / mol = 0.5

Moles O2 needed = 0.5

Mass O2 = 0.5 mol x 32g /mol = 16g

moles So2 produced = 0.5

mass So2 = 0.5 mol x 64g/ mol = 32 g