Answer:
The Empirical Formula.
Explanation:
From the empirical formula and using the weight (in g) of a given substance, we can come up with the molecular formula which is the actual weight of a substance. Sometimes, we find that the empircal formula is the molecular formula.
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5000kg/m³
density=mass/volume
d=m/v
d=100/20
=5g/cm³
g/cm³*1000=kg/m³
5g/m³*1000=5000kg/m³
176.7996 grams
Molar mass of Cobalt is 58.9332g. 58.9332 *3 is 176.7996g.
