longttam9876 longttam9876 20-01-2023 Chemistry contestada what molar ratio of hpo22 4 to h2po2 4 in solution would produce a ph of 7.0? phosphoric acid (h3po4), a triprotic acid, has three pka values: 2.14, 6.86, and 12.4. hint: only one of the pka values is relevant here.