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The pH of the nitrite buffer has changed from 3.00 to 2.80 by adding 11.0mL of 12.0M HCL. How many grams of solid sodium Hydroxide would the chemist add to the buffer to change the pH from 3.00 to 3.80?

  • chem -

    If I use a pKa of 3.29 the addition of 11.0 mL of 12.0M HCl will lower the pH to 2.71 which means you made a typo or we aren't using the same pKa.
    What pKa do you have for HNO2?

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