Question: how many atoms in 2 moles of ammonia?
Answer: Therefore 2 moles will have 1.204*10^24 molecules of NH3. There are 4 atoms in each molecule, so 2 moles will have 4*(1.204*10^24) atoms which is 4.816*10^24 atoms. How many atoms of hydrogen are present in 1.7g of NH3?