2. Atoms & Elements
Law of Definite Proportions
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ANSWERS OPTIONS
A
197.1 g/mol
B
312.9 g/mol
C
159.6 g/mol
D
237.9 g/mol
An unknown metal forms a compound with bromine and has the formula MBr5. What is the atomic mass of the metal, if a 6.897-g sample of the MBr5 contains 0.0541 mol Br?