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PilotLPTM [1.2K]
3 years ago
10

What is the molar mass of a substance?

Chemistry
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

The mass in grams of one mole of a substance.

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<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. We calculate as follows:

0.340 mol Br2 ( </span>6.022 x 10^23 molecules / mol ) = 2.05 x 10^23 molecules
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