The barium chloride has a chemical formula i.e. BaCl2and it has a molar mass of 208.23 g mol-1. This salt is made with one barium cation (Ba2+) and one chlorine anion (Cl–).
BaCl2→ Ba2+ + 2Cl–
Barium chloride decomposes to form these products.
The barium chloride is useful in the firework industry as it produces a green flame.