One mole of potassium sulfate contains: Chemistry Chapter 6 One mole of potassium sulfate contains: A) 4 moles of oxygen. B) 2 moles of sulfur. C) 1 mole of potassium. D) 3 moles of potassium. E) none of the above Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+