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Week 3 Quiz- General Chemistry

Quiz by Kari Stone

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8 questions
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  • Q1
    What is the molar mass of glucose (C6H12O6)?
    150.16 g/mol
    90.08 g/mol
    120.12 g/mol
    180.16 g/mol
    300s
  • Q2
    How many moles are there in 50 grams of calcium carbonate (CaCO3)?
    0.25 moles
    1.5 moles
    1.25 moles
    0.5 moles
    300s
  • Q3
    What is the percent composition by mass of oxygen in sulfuric acid (H2SO4)?
    78.5%
    65.7%
    45.6%
    34.3%
    300s
  • Q4
    Which element has the chemical symbol Pb?
    Phosphorus
    Boron
    Lead
    Lithium
    300s
  • Q5
    What is the atomic number of oxygen?
    6
    8
    16
    32
    300s
  • Q6

    Determine the empirical formulas for compounds with the following percent compositions: 15.8% carbon and 84.2% Sulfur.

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    300s
  • Q7

    How many oxygen atoms are there in  0.5 moles PbO(use "E" to indicate the exponent) 

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    300s
  • Q8

    What type of metal is Pt?

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    300s

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