3. How many grams of NH CI have to be added to 500.0mL of 0.50M NH, aqueous solution in order to make a buffer with pH at 9.40? Assuming the volume will remain the same. K=1.8x10

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Chapter15: Acid-base Equilibria
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Problem 132IP: A 10.00-g sample of the ionic compound NaA, where A is the anion of a weak acid, was dissolved in...
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3. How many grams of NH CI have to be added to 500.0mL of 0.50M NH, aqueous solution in order to
make a buffer with pH at 9.40? Assuming the volume will remain the same. Ko=1.8x10⁹
Transcribed Image Text:3. How many grams of NH CI have to be added to 500.0mL of 0.50M NH, aqueous solution in order to make a buffer with pH at 9.40? Assuming the volume will remain the same. Ko=1.8x10⁹
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Step 1: Calculate the pKa

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