Cobalt(III) Chloride
The correct name for the compound CoCl3 is cobalt III chloride.
CoC13 is nothing. CoCl3 (with a lowercase L, not the umber 1) is Cobalt III chloride.
You can use an online tool to calculate the molar mass of CoCl3 - convertunits.com/molarmass/CoCl3
CoCl3
An ionic compound is an example of a chemical compound.
A chemical formula shows the components of a chemical compound.
Acetic acid (CH3COOH) is a compound.
A chemical reaction is the transformation of a compound in another compound.
The chemical formula of a compound states the number and types of atoms in each molecule of a compound.
A difference of quality; the pure chemical compound is a refined compound, having a very low concentration of impurities.
Neon (Ne) is a chemical element, not a compound.
Helium (He) is a chemical element, not a compound; the chemical symbol is He.