311 Chapter 3 Reading Guide Section 5 (25pts)
  • 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. Determine how many moles of Mercury and Chlorine are present in a 100.0g sample that is 73.9% Mercury and 26.1% Chlorine by mass.
  2. Using the information above, determine the mole ratio of Mercury Chloride.
  3. What must be the chemical formula for Mercury Chloride based on your data?
  4. If ascorbic acid is 40.92% C, 4.58% H and 54.90% O by mass, what is the empirical formula?
  5. Explain how to detemine the molecular weight of acorbic acid.
  6. What is combustion analysis?
  7. Isopropyl alcohol is composed of C, H, O. Combustion of a 0.255 gram sample produces 0.561g of carbon dioxide and 0.306g of water. Determine the empirical formula.