How do you determine the molar mass of helium?

The molar mass of an element is its atomic weight in grams/mole (g/mol). The atomic weight for helium on the periodic table is 4.002602. All elements have its atomic weight mentioned in the periodic table. So it can be found out easily from the periodic table itself. Therefore, one mole of helium has a mass of 4.002602 g.

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