Determine the pH of a 0.18 mol L^-1 H₂CO₃ solution.Carbonic acid is a diprotic acid whose K_a1 = 4.3 × 10^-7 and K_a2 = 5.6 × 10^-11. A)11.00 B)10.44 C)5.50 D)4.31 E)3.56

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The pH is determined primarily by the first dissociation constant (Ka1) since it is much larger than Ka2. Using the formula pH = -log[H+], where [H+] is approximately equal to the square root of (Ka1 * concentration), the pH is calculated to be around 3.56.

Determine the PH of a 0