310 Chapter 3 Reading Guide 3.4 (29 pts)
  • Write all answers in your bound journal
  • Make it NEAT and in COMPLETE SENTENCES, clearly identify which section you are working (using numbers)
  • Box final answers if doing math.
  • -4pt if you do not title and date the entry
  • -1pt (per infraction) if you do not clearly identify the sections, or number the problems

 
Answer each question completely (include equations and drawings when asked)
  1. What has 2x1023 water molecules?
  2. What is a mole and what is it based on?
  3. Why was the "mole unit" invented by chemist?
  4. What is the 6.0221421x1023 represent, and WHO came up with this number?
  5. What visual could be used to represent 1 mole of marbles?
  6. What visual could be used to represent 1 mole of pennies?
  7. Without using a calculator, arrange 12g 12C, 1 mol of C2H2 and 9x1023 molecules of CO2 in increasing number of carbon atoms.
  8. Calculate the number of H atoms in 0.350 mol of C6H12O6.
  9. What is the relationship between molar mass of an atom and AMU (use H2O to explain)?
  10. Calculate the number of moles of glucose (C6H12O6) in 5.30g of C6H12O6.
  11. Calculate the number of grams in 0.350 mol of C6H12O6.
  12. Calculate the number of glucose molecules in 5.23g of C6H12O6.
  13. How many oxygen atoms are present in this sample?