Gases Emitted During Volcanic Activity Often Contain High Concentrations of Hydrogen

question 78

Multiple Choice

Gases emitted during volcanic activity often contain high concentrations of hydrogen sulfide and sulfur dioxide. These gases may react to produce deposits of sulfur according to the equation: 2 H₂S(g) + SO₂(g) → 3 S(s) + 2 H₂O(g)
For the complete reaction of 6.41 mol of hydrogen sulfide:

• A) 308 g of sulfur is formed
• B) 410 g of sulfur dioxide is consumed
• C) 231 g of water vapor is produced
• D) 320 g of total products result
• E) 628 g of total reactants are consumed

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