8 grams of magnesium reacted with 6.0 grams of oxygen.

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2) Which of the following steps correctly converts 3 moles of fluorine to an equivalent number of particles of fluorine?

 Divide Avogadro's number by 3.

 Multiply 3 by Avogadro's number.

 Divide the atomic mass of fluorine by 3

 Multiply 3 by the atomic mass of fluorine.