Give the pH of 0.330 M phosphoric acid.For phosphoric acid,K_a1 = 7.5 × 10^-3,K_a2 = 6.2 × 10^-8,and K_a3 = 4.2 × 10^-13.

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The pH of a 0.330 M phosphoric acid solution is primarily determined by the first dissociation constant (Ka1), as it is significantly larger than Ka2 and Ka3. Using the formula for pH = -log[H+], where [H+] is approximately equal to the square root of (Ka1 * concentration), the pH is calculated to be around 1.30.

Give the PH of 0