# Chem

1) Mg + F2 = MgF2

10.00 grams of magnesium reacted with fluorine to produce MgF2

Find :
a) Balance the reaction
b) How many grams of fluorine reacted with magnesium. Answer:____________
c) How many grams of MgF2 were formed in the reaction. Answer:____________

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1. a) The reaction is balanced as is.
b) mols Mg = grams/molar mass.
Use the coefficients in the balanced equation to convert mols Mg to mols F2.
Convert mols F2 to grams. g = mols x molar mass.

c) You have grams Mg and grams F2, The totals will be grams MgF2.

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posted by DrBob222

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