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Determine the pH of a solution that is 0.20 M in NH3 and 0.30 M NH4Cl

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A buffer solution contains 0.340 M NH4Cl and 0.315 M NH3 (ammonia). Determine the pH change when 0.0...

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The mixture of NH3 with NH4Cl is a buffer solution as it is a mixture of weak base (NH3) with its conjugated acid (NH4+) from NH4Cl.NH4Cl is a soluble ionic compound, therefore when it is added to water it undergoes the below reaction:

The given solution contains 0.20 M NH3 and 0.30 M NH4+. Since it is a solution of a weak base and its conjugate acid, and so is a buffer solution and to calculate the pH of buffer solution, Henderson equation must be used:

Calculate  Ka and pKa from  Kb value of NH3.Kb valu...

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Determine the pH of a solution that is 0.20 M in NH3 and 0.30 M NH4Cl

Determine the pH of a solution that is 0.20 M in NH3 and 0.30 M NH4Cl

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