Chemistry

10th

grade

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practice moles mass atoms

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15 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
    What is the definition of molar mass?
    number of grams per one mole of a substance
    whole number ratio that is a multiple of a chemical formula
    simplest, whole number ratio of a chemical formula
    6.02 x 10^23 particles per one mole of a substance
  • 2. Multiple Choice
    20 seconds
    1 pt
    Molar mass is in units of ________.
    grams
    grams/mole
    mole
    moles/gram
  • 3. Multiple Choice
    20 seconds
    1 pt
    What is the molar mass of AuCl3?
    96 g
    130 g
    232.5 g
    303.3 g
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