How many atoms are in 5.80 moles of He? Chemistry Chapter 6 How many atoms are in 5.80 moles of He? A) 6.02 × 10^23 B) 1.03 × 10^23 C) 4.00 D) 3.49 × 10^24 E) none of the above Answer: D Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+