Which is stronger protonic acid h3po3 or h3po4
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In phosphorus acid, there is a H on the main carbon. ... While some answers claim that H3PO4 is strongerthan H3PO3, the claim is falsified by a quick google search: pKa1 of H3PO3is 1.2; pKa1 of H3PO4 is 2.15. Here, 'acidity' may refer to the strength ofacid - the ability to ionise 'more' completely.
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