Question: 3 - A 2 5 . 0 0 - m L volume of an H 2 A acid solution of unknown concentration with 2 drops

3- A 25.00-mL volume of an H2A acid solution of unknown concentration with 2 drops of phenolphthalein requires 13.40mL of 0.13MNaOH to reach the endpoint. What is the molar concentration of the acid solution?
3- A 25.00-mL volume of an H2A acid solution of unknown

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