Chapter 2 Lecture Problems


Protons, Neutrons and Electrons

  1. 1H Hydrogen
  2. 2H Deuterium
  3. 3H Tritium
  4. 14C
  5. 19F
  6. 266Mt
  7. 277112
  8. Neon
Solutions

Atomic Weight

  1. Chlorine
  2. Isotope Exact Mass Abundance % abundance
    35 34.9688530 999 75.5
    37 36.9659 324 24.5

  3. Bromine
  4. Isotope Exact Mass Abundance % abundance
    79 78.9183320 999 50.5
    81 80.9163 978 49.5

  5. Mercury
  6. Isotope % Abundance
    196 0.146
    198 10.2
    199 16.4
    200 23.13
    201 13.22
    202 29.8
    204 6.85

Solutions

Mole Calculations

  1. Calcluate the number of moles in 12.0 g of C, 24.0 g of C, 48.0 g of C, 1.0 g of C.
  2. Calculate the mass of 1 mole of C, 2, mole of C, 3 mole of C, 0.01 mole of C.
  3. Calculate the number of carbon atoms in 1 g of C.
solutions

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