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Sunny_sXe [5.5K]
3 years ago
7

Which of the following best defines molar mass?

Chemistry
1 answer:
coldgirl [10]3 years ago
7 0

Answer:

D. the mass of one mole of a substance

Explanation:

The molar mass of a substance is the mass in grams of one mole of the substance.

  • For an element, the molar mass is the relative atoms mass expressed in grams.
  • For example 23g of Na, 40g of oxygen
  • For compounds, molar mass is the gram -formula or gram - molecular weight.
  • This is determined by the addition of its component atomic masses and then expressed in grams.
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