Finish Lab 4B

  1.  Welcome back!
  2. Warm up/Review of mole calculations
  3. Finish Lab 4B:  a) weigh your results, b) do Questions and Calculations #1-4 (p.57 in the lab manual), c) Possible Sources of Error, and d) Conclusion
  4. Interesting Q:  How much money would the copper your class made be worth today?  (block 1 – the copper that the whole class made is worth about 6 cents!)