Calculate the molar mass for each of the following halogen-containing compounds. Answers must contain at least 5 significant figures.

a) NaBrO₃ 
b) C₁₃H₆Cl₄

• A. a) 169.39 g/mol, b) 323.39 g/mol
• B. a) 145.36 g/mol, b) 312.99 g/mol
• C. a) 123.36 g/mol, b) 326.39 g/mol
• D. a) 150.89 g/mol, b) 303.99 g/mol

Answer: (D)