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27 February, 15:26

What is the molar mass of a substance?

o the mass in grams of one mole of a substance

O the number of particles in one gram of a substance

the number of moles in one gram of a substance

the mass in grams of one particle of a substance

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Answers (2)
  1. 27 February, 17:28
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    The mass in grams of one mole of a substance
  2. 27 February, 17:33
    0
    The correct answer is: the mass in grams of one mole of a substance

    Explanation:

    The molar mass of a given substance corresponds to the mass of one mole of this in grams. Corresponds to a physical property of the substance. Example: the molar mass of water (H20) is:

    Molar mass H20 = (Mass H) x 2 + Mass 0 = 2 x 1 g + 16 g = 18 g / mol
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