Transcript Chapter 7 Review

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