A mixture of K2S, K2SO3, and K2SO4 is found to contain 60.0% K by mass. What is the mass percent of oxygen in the mixture? | Stoichiometry

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StoichiometryMCQ

Question

A mixture of K₂S, K₂SO₃, and K₂SO₄ is found to contain 60.0% K by mass. What is the mass percent of oxygen in the mixture?

15.4%

✓ Correct

22.3%

30.3%

36.7%

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