What is the molar mass of KBr? 54.0 g/mol

74.1 g/mol

119 g/mol

1.20 X 1024 g/mol

Explanation:

You have to look at the periodic table, and add the Atomic Mass of K - Potassium and Atomic Mass of Br - Bromine.

The atomic mass can be found underneath the Element Symbol.

Then, you add both of them together.

(K amu) + (Br amu) = KBr Amu or KBr g/mol.

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