CHEM 1E03 TUTORIAL #1 ________________________________________________________________________ Page 1 of 1 Please view the file “Guidelines for tutorials” on the course webct site (Tutorials folder) before attending the tutorial. Remember that you may attend any tutorial session, although seating is limited. You may want to try these problems in advance so that you can identify those areas where you need most help. Please bring a printout of the tutorial questions with you along with a calculator and a Periodic Table. ________________________________________________________________________ 1. A sample of a noble gas has a mass of 0.102 g and exerts a pressure of 0.242 atm in a 0.260 L vessel at 27 o C. Is the gas He, Ne, Ar, Kr, or Xe? 2. A 0.02864 g sample of vitamin A, a compound consisting only of carbon, hydrogen, and oxygen, is burned to form 0.08802 g of carbon dioxide and 0.02703 g of water. Calculate the percentage of each element in vitamin A.
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