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Chapter 7 Review - PowerPoint

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					Chapter 7 - Review
Chemical Quantities




    Milbank High School
 Chapter 7 - Review
• What SI unit is used to measure the
  number of representative particles in a
  substance?
• How many moles of Tungsten atoms
  are there in 4.8 x 1025 atoms of
  Tungsten?
• How many moles of Ag atoms are
  there in 1.8 x 1020 atoms of Ag?
 Chapter 7 - Review
• How many atoms are there in 5.70 mol
  of hafnium?
• How many atoms are there in 0.075
  mol of titanium?
• How many molecules are there in 2.10
  mol of CO2?
 Chapter 7 - Review
• How many moles of He are there in
  2.4 x 1024 helium atoms?
 Chapter 7 - Review
• How many moles of sulfur trioxide are
  in 2.4 x 1024 molecules of SO3?
• What is the gram formula mass of gold
  (III) chloride, AuCl3?
• What is the gram formula mass of
  chromic sulfate, Cr2(SO4)3?
• What is the gram formula mass of
  ammonium carbonate, (NH4)2CO3?
 Chapter 7 - Review
• Name the types of representative
  particles
• Avogadro’s number of representative
  particles is equal to one _____.
 Chapter 7 - Review
• What is the value of Avogadro’s
  number?
• How do you determine the gram
  atomic mass?
 Chapter 7 - Review
• How many grams are in 0.900 mol Pd?
 Chapter 7 - Review
• What is the mass in grams of 5.90 mol
  octane, C8H18?
• What is the number of moles in 432
  grams of barium nitrate, Ba(NO3)2?
• What is the number of moles in 15.0
  grams of AsH3?
• How many moles in 0.25 grams of
  (NH4)2Cr2O7?
Terms

•   Gram formula mass
•   Molar mass
•   Gram atomic mass
•   Gram molecular mass
•   Molar volume
•   Representative particle
•   Mole
•   Avogadro’s number
•   Percent composition
•   Standard temperature

				
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