The pH of the diprotic acid H2Y is =
6.15 × 10-17
A diprotic acid is a type of acid that contains two hydrogen atoms in its molecules which has the ability to be replaced when involved in a chemical reaction.
A weak diprotic acid is the type of acid that yields hydronium ions and bicarbonate ions in small amounts when involved in a chemical reaction.
The pH is defined as the degree of how acidic or how basic a substance is when measured against a scale.
The Ka1 of the weak diprotic acid = 6.9x10-5
The Ka2 of the weak diprotic acid = 5.4x10-12
Using the formula;
pH = (pKa1 + pKa2)/2
pH = (6.9x10-5 + 5.4x10-12)/2
pH= 12.3 ×10-5×10-12
pH= 12.3 × 10-17/2
pH= 6.15 × 10-17
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