Moles 1 problems

How many moles are there in:

  1. 28 g of N (2 moles)
  2. 27 g of Be (3 moles)
  3. 112 g of Si (4 moles)
  4. 40 g of Na (1.74 moles)
  5. 25 g of Be (2.78 moles)
  6. 500 g of U (2.10 moles)
  7. 40 g of O (2.50 moles)
  8. 75 g of Li (10.7 moles)
  9. 100 g of Mg (4.17 moles)
  10. 50 g of S (1.56 moles)

How many grams are there in:

  1. 4 moles of H (4 g)
  2. 1.5 moles of C (18 g)
  3. 1.5 moles of Ca (60 g)
  4. 2.9 moles of F (55.1 g)
  5. 3 moles of B (32.4 g)
  6. 0.5 moles of P (15.5 g)
  7. 0.05 moles of Si (1.4 g)
  8. 5 moles of P (155 g)
  9. 0.001 moles of Mg (0.024 g)
  10. 3.6 moles of Ar (144 g)