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Determine the pH of a solution that contains 0.045 M of the HEPES weak acid (Ka = 3.2 x 10-8). Please give your answer to two decimal places. | Bepaal die pH van 'n oplossing wat 0.045 M van die HEPES swak suur bevat (Ka = 3.2 x 10-8). Gee asseblief die antwoord tot twee desimale plekke. |
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