Question #2fc95 Chemistry The Mole Concept The Mole 1 Answer P dilip_k Mar 6, 2016 ≈96g Explanation: 1 mole or 17 g NH3 contains 6.022⋅1023 molecules of NH3 So mass of 3.4⋅1024NH3 molecules will be 17⋅3.4⋅10246.022⋅1023g≈96g Answer link Related questions How do you calculate the number of moles from volume? How do you convert grams to mole? Question #258e5 Question #8d48c Why is the mole an important unit to chemists? What's the mole number? How does the mole relate to carbon 12? How does the mole relate to molecules and ions? How do you calculate the moles of a substance? How can I calculate the moles of a solute? See all questions in The Mole Impact of this question 2580 views around the world You can reuse this answer Creative Commons License