S5 Moles to Particles (atoms or molecules) Worksheet 1. How many molecules are in 2.00 moles of H2O? 2. How many moles are in 8.30 X 1023 molecules of H2O? 3. How many molecules are in 0.500 moles of H2? 4. How many atoms are in 1.00 moles of He? 5. How many atoms are in 1.50 moles of Hg? 6. How many molecules are in 2.50 moles of O2? 7. How many atoms are in 0.250 moles of Rb? 8. How many moles are in 2.91 X 1022 atoms of He? 9. How many moles are in 1.23 X 1050 molecules of H2? 10. How many moles are in 5.25 X 1025 atoms of Au? 11. How many moles are in 7.14 X 1035 molecules of O2? 12. How many moles are in 8.11 X 1020 molecules of CH4? More than Trillion Exercises Moles to Particles (atoms or molecules) Worksheet 1. How many molecules are in 2.00 moles of H2O? 2. How many moles are in 8.30 X 1023 molecules of H2O? 3. How many molecules are in 0.500 moles of H2? 4. How many atoms are in 1.00 moles of He? 5. How many atoms are in 1.50 moles of Hg? 6. How many molecules are in 2.50 moles of O2? 7. How many atoms are in 0.250 moles of Rb? 8. How many moles are in 2.91 X 1022 atoms of He? 9. How many moles are in 1.23 X 1050 molecules of H2? 10. How many moles are in 5.25 X 1025 atoms of Au? 11. How many moles are in 7.14 X 1035 molecules of O2? 12. How many moles are in 8.11 X 1020 molecules of CH4? CLASS COPY More than Trillion Exercises ANSWER KEY Moles to Particles (atoms or molecules) Worksheet 1. How many molecules are in 2.00 moles of H2O? 1.20x1024 molecules H2O 2. How many moles are in 8.30 X 1023 molecules of H2O? 1.38 moles H2O 3. How many molecules are in 0.500 moles of H2? 3.01x1023 molecules H2 4. How many atoms are in 1.00 moles of He? 6.02x1023 atoms He 5. How many atoms are in 1.50 moles of Hg? 9.03x1023 atoms Hg 6. How many molecules are in 2.50 moles of O2? 1.51x1024 molecules O2 7. How many atoms are in 0.250 moles of Rb? 1.51x1023 atoms Rb 8. How many moles are in 2.91 X 1022 atoms of He? 0.0483 moles Rb 9. How many moles are in 1.23 X 1050 molecules of H2? 2.04x1026 moles H2 10. How many moles are in 5.25 X 1025 atoms of Au? 87.2 moles Au 11. How many moles are in 7.14 X 1035 molecules of O2? 1.19x1012 moles O2 12. How many moles are in 8.11 X 1020 molecules of CH4? 0.00135 moles CH4