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Unit six: the mole

Unit six: the mole. STAR SESSION 6. Advanced Mole Calculations. A single particle of a compound has a mass of 2.26x10 -22 grams. Which of the following could be this compound? CCl 4 Ag 2 O ZnCl 2 SnO 2 Similar to page 215 #6. *Don’t forget to study the “mystery metal” problem, too!.

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Unit six: the mole

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  1. Unit six: the mole STAR SESSION 6

  2. Advanced Mole Calculations • A single particle of a compound has a mass of 2.26x10-22 grams. Which of the following could be this compound? • CCl4 • Ag2O • ZnCl2 • SnO2 Similar to page 215 #6. *Don’t forget to study the “mystery metal” problem, too!

  3. Advanced Mole Calculations • A single particle of a compound has a mass of 2.26x10-22 grams. Which of the following could be this compound? • CCl4 • Ag2O • ZnCl2 • SnO2 Similar to page 215 #6.

  4. ADVANCED MOLE CALCULATIONS • The compound A2S is 58.91% A. The remainder of the compound is sulfur. What is the identity of element A? Similar to page 214 #64

  5. ADVANCED Percent composition CALCULATIONS • The compound A2S is 58.91% A. The remainder of the compound is sulfur. What is the identity of element A? A = 22.98 grams/mole = Na Similar to page 214 #64

  6. Advanced empirical & molecular formula Calculations • A compound consisting of carbon, hydrogen, and oxygen is found to contain 40.00% C and 6.71% H. A 0.0500 mol sample of the compound has a mass of 9.00 g. Determine the molecular formula for the compound. • C8H16O4 • C6HO8 • C6H14O6 • C6H12O6 Page 215 #10 Hint: Find the molar mass.

  7. Advanced empirical & molecular formula Calculations • A compound consisting of carbon, hydrogen, and oxygen is found to contain 40.00% C and 6.71% H. A 0.0500 mol sample of the compound has a mass of 9.00 g. Determine the molecular formula for the compound. • C8H16O4 • C6HO8 • C6H14O6 • C6H12O6 Page 215 #10

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