An atom of an unknown metallic element X combines with a fluorine atom in a 1 to 1 ratio. Fluorine gas is a diatomic molecule (F2) and has a density of 1.6 grams/liter. If exactly 132.9 grams of the metal X combines with 11.88 liters of fluorine gas, determine the identity of the unknown metal X.
Hint: For every atom of fluorine that combines, one atom of the metal element X combines. Remember the conservation of mass.
Answer is one of the following:
11.88 x 1.6 = 19.01 since liters x density = grams
19.01/38 (molecular mass of ...
The expert determines the identity of an unknown metal.