Mass of each element in one mole of sulfuric acid: Mass of hydrogen = 2 × (1.008) = 2.016 g/mol. Mass of sulfur = 1 × 32.06 = 32.06 g/mol.
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What is the percent composition of NaHCO₃?
Element Percent Composition
Sodium (Na) 27.367%
Hydrogen (H) 1.2%
Carbon (C) 14.298%
Oxygen (O) 57.14%