9.8 g of H₂SO₄ has been dissolved in excess water to ionize it completely. How many number of H ions it will yield?
Explanation
Moles of H₂SO₄ = mass / molar mass = 9.8 g / 98 g/mol = 0.1 mol.Each H₂SO₄ molecule releases 2 H⁺ ions.So total H⁺ ions = 0.1 mol × 2 × 6.022 × 10²³ = 1.204 × 10²⁴ ions.