What Is the Molar Mass of Barium Nitrate?

Barium nitrate has a molar mass of 261.32 g/mol. This salt comprised of barium and nitrate ion has the chemical formula Ba(NO3)2. It exists at room temperature as a white solid.

To estimate the molar mass of Ba(NO3)2, calculate the molar masses of each of its constituent atoms. On the Periodic Table of the Elements, each atom’s molar mass is listed. The atoms of barium nitrate are barium, nitrogen, and oxygen, and their respective molar weights are 137.3, 14.01, and 16 grammes. The sum of the molar masses is 261.32 grammes: 137.3 + (214.01) + (616). Barium nitrate has a molar mass of 261.32 grammes.


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