Question

Select the correct answer. What is the molar mass of BaBr2? A. 217. 2 g/mol B. 297. 1 g/mol C. 354. 5 g/mol D. 434. 4 g/mol.

Answer 1

Answer:
B. 297.1
Step-by-step explanation:
To fond molar mass you just add the atomic
masses together however many ttimes they appear. Eg. BaBr2 would be 137.33 + 2(79.9)