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2 November, 18:32

If you know the number of moles in a sample of a substance, which of the following do you also know about that sample?

the mass of that sample

the volume of that sample

the number of representative particles in that sample

the coefficient of the substance when in a chemical reaction

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Answers (2)
  1. 2 November, 18:37
    0
    You also know about the mass of that sample, if you know the moles

    (First option)

    Explanation:

    Moles = Mass / Molar mass

    Moles. Molar mass = Mass

    For example, I have 4 moles of H₂O

    Molar mass H₂O = 18 g/m

    4 m. 18 g/m = 72 g

    If I have 4 moles of H₂O, I also have 72 grams of water too.
  2. 2 November, 19:12
    0
    The correct answer is the number of representative particles in that sample
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