Chemistry

Question Analysis
This question involves calculating the percent composition of bromine in hydrobromic acid.
The main focus is on applying the core percent composition formula to a simple binary acid.

Key Concept Explanation
Percent composition of an element = (mass of the element in 1 mole of compound / molar mass of compound) × 100%

Step-by-Step Solution
1. Mass of Br in HBr = 79.90 g/mol
2. Molar mass of HBr = 80.9 g/mol
3. % Br = (79.90 /...