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Using an ICE chart, calculate the equilibrium concentration of H3O+ for a weak acid HA with initial concentration 0.1 M and Ka = 1.0 x 10-5.

Using an ICE chart, calculate the equilibrium concentration of H₃O⁺ for a weak acid HA with initial concentration 0.1 M and K_a = 1.0 x 10^-5.