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Svetllana [295]
3 years ago
8

What does the molar mass of an element represent?

Chemistry
1 answer:
IrinaK [193]3 years ago
4 0

The answer is: both choices a and b.

The base SI unit for molar mass is kg/mol, but chemist more use g/mol (gram per mole).

For example, the molar mass of fluorine is 38.00 g/mol.

M(F₂) = 2 · Ar(F) · g/mol.

M(F₂) = 2 · 19.00 · g/mol.

M(F₂) = 38.00 g/mol.

Molar mass M represent the mass of a substance (in this example molecule of florine) divided by the amount of substance.

Ar is the atomic weight of a chemical element (in this example fluorine).

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