The mass fraction of oxygen in sulfuric acid is?
| May 9, 2021 | education
Sulfuric acid formula: H2SO4. To find the mass fraction, it is necessary to determine the relative atomic mass of oxygen A (O) and the relative molecular mass of sulfuric acid M (H2SO4). To do this, use the periodic table: A (O) = 16. M (H2SO4) = 2 * 1 + 32 + 16 * 4 = 98. Mass fraction: u (O) = A * n / M = 16 * 4/98 = 0.653. Or 65.3%. In this formula, n is the oxygen index.
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