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The Mole

Quiz by Donna Donohue

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30 questions
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  • Q1
    How many molecules are in a mole
    6.02
    23
    it depends on the substance
    6.02 X 1023
    30s
  • Q2
    How many atoms are in a mole of Chlorine
    6.03 X 1023
    6
    none
    12.01
    30s
  • Q3
    What is the molar mass of Lithium?
    3 g/mol
    6.94 g/mol
    Li
    6.02 # 1023
    30s
  • Q4
    A mole of pennies can fit inside your book bag. true or false?
    true
    false
    30s
  • Q5
    A mole of zinc will fit inside the palm of your hand. True or False?
    True
    False
    30s
  • Q6
    What is the molar mass for O2
    8 g/mol
    2 g/mol
    16.00 g/mol
    32.00g/mol
    45s
  • Q7
    What is the molar mass for Li2O
    14 g/mol
    29.8 g/mol
    22.9 g.mol
    32.0 g/mol
    60s
  • Q8
    What is the unit for molar mass?
    mol
    g/mol
    mol/g
    g
    30s
  • Q9
    To figure out the molar mass of a compound you would need to...
    make a bridge
    part/whole X 100
    percent to mass/mass to mole/ divide by smallest/multiply until whole
    add the masses of all the elements
    30s
  • Q10
    To find the percent composition of an element in a compound you would use
    part divided by whole X 100
    add the masses of all the elements
    percent to mass/mass to mole/divide by smallest/multiply until whole
    make a bridge
    30s
  • Q11
    Percent composition tells you...
    How much of the compound is made up a of certain element by mass
    the mass of the element
    the total percentage of the compound
    the total mass of the compound
    30s
  • Q12
    When finding the percent composition of oxygen in S2O3 you would use the mass of
    2 X 16.0 (the mass of 2 oxygens)
    the mass of 1 oxygen
    no mass
    3 X 16.0g (the mass of 3 oxygens)
    30s
  • Q13
    How many liters are in a mole?
    6.02X1023
    molar mass
    1
    22.4
    30s
  • Q14
    The molar mass of an element is equal to
    6.03X1023 moles of the element
    the atomic number of the element
    1 mole of the element
    30s
  • Q15
    The empirical formula is
    always different from the molecular formula
    the least reduced form of the molecular formula
    always the same as the molecular formula
    the most reduces form of the molecular formula
    30s

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