Answer :

Final answer:

The mass of 4.0 moles of fluorine is 76 g, which is calculated by multiplying the number of moles by the molar mass of fluorine (19 g/mol).

The correct answer is 1

Explanation:

The mass of 4.0 moles of F (fluorine) can be calculated by using the molar mass of fluorine, which is approximately 19 g/mol. To find the mass, simply multiply the number of moles by the molar mass:

Mass = moles × molar mass = 4.0 moles × 19 g/mol = 76 g

Therefore, the mass of 4.0 moles of fluorine is 76 g, which corresponds to option 1).

The correct answer is 1

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